Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
P Lalitha
Organic Chemistry
Nanochemistry
Drug delivery
Metrics
H-Index
i10 Index
Citation
29
66
3,415
* Rankings
Ranking Based On Selection :5
Sasirekha V
Photovoltaics
quantum simulation
Phonon confinement
Screen printing
Metrics
H-Index
i10 Index
Citation
19
26
931
* Rankings
Ranking Based On Selection :6
Shuba
PHYTOCHEMISTRY
ORGANIC CHEMISTRY
Green Organic Synthesis
Metrics
H-Index
i10 Index
Citation
17
23
839
* Rankings
Ranking Based On Selection :7
Subashini
Image analysis
image processing
Computational Intelligence
neural networks
networks
Metrics
H-Index
i10 Index
Citation
17
33
995
* Rankings
Ranking Based On Selection :9
Poonkothaii
Environmental sciences
Antimicrobial activity
Bioremediation
Metrics
H-Index
i10 Index
Citation
16
17
765
* Rankings
Ranking Based On Selection :10
V Radha
Image and Signal Processing
Data Mining and Warehousing
Optimization Techniques
Soft Computing
Metrics
H-Index
i10 Index
Citation
15
28
1,224
* Rankings
Ranking Based On Selection :11
Sumathi S
Medicinal plants and anticancer agents and breast cancer research
Metrics
H-Index
i10 Index
Citation
14
20
961
* Rankings
Ranking Based On Selection :12
R Saratha
Corrosion studies- Inhibitors
Biodiesel studies
Environmental Chemistry
Electro chemical Storage devices
Metrics
H-Index
i10 Index
Citation
13
14
635
* Rankings
Ranking Based On Selection :13
Santhy Sivanandan
Cancer biology
Data sciences and computational biology
Phytopharmaceuticals
Metrics
H-Index
i10 Index
Citation
10
11
355
* Rankings
Ranking Based On Selection :15
Kalpana Ramajayam
Plant Biochemistry/Biotechnology/antilithiasis/Animal tissue culture
Metrics
H-Index
i10 Index
Citation
10
11
459
Fathima Rahiman
Polymer Science
Corrosion and its prevention
Metrics
H-Index
i10 Index
Citation
9
8
495
S Gayathri Devi
antidiabetic
antiobesity and antioxidant activity of medicinal plants
Metrics
H-Index
i10 Index
Citation
8
8
310
Kallanmarthodi Geetha
Agricultural Development
Development Economics
Women Studies
Metrics
H-Index
i10 Index
Citation
7
6
636
Jennyfer Susan Mb
Image Processing and Computer vision
Metrics
H-Index
i10 Index
Citation
3
0
20
Pa Raajeswari
Food Science
Nutrition
Food Preservation
processing
communicable disease
Metrics
H-Index
i10 Index
Citation
3
0
22
Suganya A
Nutraceuticals
Foods and Nutrition
Metrics
H-Index
i10 Index
Citation
2
0
4
Vaishnavy Viswanathan
General Topology
Intuitionistic fuzzy topology
Metrics
H-Index
i10 Index
Citation
2
0
5
P Kalaivani
Extension Education
Agriculture
Rural Development
Women Empowerment
Public Private Partnership
Metrics
H-Index
i10 Index
Citation
1
0
9
G Victoria Naomi
Special Education
Inclusive education and Education
Metrics
H-Index
i10 Index
Citation
1
0
6
T.Radha
Extension
women related issues and solutions
women entrepreneurs
research
Training
Metrics
H-Index
i10 Index
Citation
1
0
5
N Deepasathish Fsn
Food Science
Clinical Nutrition
Public Health Nutrition
Experimental Nutrition
Nutritional Science
Metrics
H-Index
i10 Index
Citation
1
0
4
Hema
Soft Computing
Machine Learning
Semantic Web
Ontolology
Data Mining
Metrics
H-Index
i10 Index
Citation
1
0
3
Sudha Devi Manickam
Phytotherapeutics and Animal Biotechnology
Metrics
H-Index
i10 Index
Citation
1
0
3
Jeyaashri Sai P
Talent Inventory
Talent Management
Industry 4.0
Industry 5.0
Entrepreneurship
Metrics
H-Index
i10 Index
Citation
1
0
2
N.Deepa Sathish
Nutrition
Food Science
Food Microbiology
Food Processing and Preservation and Clinical Nutrition
Metrics
H-Index
i10 Index
Citation
1
0
1
Sumathi.D
Renewable energy
solid waste management
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
Ranking Based On Selection: 1
P Lalitha
Metrics
H-Index
i10 Index
Citation Counts
29
66
3,415
Organic Chemistry
Nanochemistry
Drug delivery
Rankings
Ranking Based On Selection: 2
Kalaiselvi Senthil
Metrics
H-Index
i10 Index
Citation Counts
24
43
1,426
Rankings
Ranking Based On Selection: 3
Padmavathi Ganapathi
Metrics
H-Index
i10 Index
Citation Counts
23
50
3,012
Rankings
Ranking Based On Selection: 4
Nalini B
Metrics
H-Index
i10 Index
Citation Counts
21
32
1,419
Rankings
Ranking Based On Selection: 5
Sasirekha V
Metrics
H-Index
i10 Index
Citation Counts
19
26
931
Photovoltaics
quantum simulation
Phonon confinement
Screen printing
Rankings
Ranking Based On Selection: 6
Shuba
Metrics
H-Index
i10 Index
Citation Counts
17
23
839
PHYTOCHEMISTRY
ORGANIC CHEMISTRY
Green Organic Synthesis
Rankings
Ranking Based On Selection: 7
Subashini
Metrics
H-Index
i10 Index
Citation Counts
17
33
995
Image analysis
image processing
Computational Intelligence
neural networks
networks
Rankings
Ranking Based On Selection: 8
Karthika Pushparaj
Metrics
H-Index
i10 Index
Citation Counts
16
27
856
Phylogenetics
DNA barcoding
Metagenomics and Biofuels
Rankings
Ranking Based On Selection: 9
Poonkothaii
Metrics
H-Index
i10 Index
Citation Counts
16
17
765
Environmental sciences
Antimicrobial activity
Bioremediation
Rankings
Ranking Based On Selection: 10
V Radha
Metrics
H-Index
i10 Index
Citation Counts
15
28
1,224
Image and Signal Processing
Data Mining and Warehousing
Optimization Techniques
Soft Computing
Rankings
Ranking Based On Selection: 11
Sumathi S
Metrics
H-Index
i10 Index
Citation Counts
14
20
961
Medicinal plants and anticancer agents and breast cancer research
Rankings
Ranking Based On Selection: 12
R Saratha
Metrics
H-Index
i10 Index
Citation Counts
13
14
635
Corrosion studies- Inhibitors
Biodiesel studies
Environmental Chemistry
Electro chemical Storage devices
Rankings
Ranking Based On Selection: 13
Santhy Sivanandan
Metrics
H-Index
i10 Index
Citation Counts
10
11
355
Cancer biology
Data sciences and computational biology
Phytopharmaceuticals
Rankings
Ranking Based On Selection: 14
Shanmugapriya, D
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,218
Rankings
Ranking Based On Selection: 15
Kalpana Ramajayam
Metrics
H-Index
i10 Index
Citation Counts
10
11
459
Plant Biochemistry/Biotechnology/antilithiasis/Animal tissue culture
Rankings
Ranking Based On Selection: 16
Krishnaveni Marimuthu
Metrics
H-Index
i10 Index
Citation Counts
10
11
292
Image processing
Neural Networks
Satellite images
Rankings
Ranking Based On Selection: 17
N Krishnaveni
Metrics
H-Index
i10 Index
Citation Counts
10
10
913
Rankings
Ranking Based On Selection: 18
Sarojini Balakrishnan
Metrics
H-Index
i10 Index
Citation Counts
9
9
324
Rankings
Ranking Based On Selection: 19
Fathima Rahiman
Metrics
H-Index
i10 Index
Citation Counts
9
8
495
Polymer Science
Corrosion and its prevention
Rankings
Ranking Based On Selection: 20
Vanithamani Rangasamy
Metrics
H-Index
i10 Index
Citation Counts
9
9
359
Rankings
Ranking Based On Selection: 21
S Gayathri Devi
Metrics
H-Index
i10 Index
Citation Counts
8
8
310
antidiabetic
antiobesity and antioxidant activity of medicinal plants
Rankings
Ranking Based On Selection: 22
Malarvizhi Joshpine
Metrics
H-Index
i10 Index
Citation Counts
8
7
638
Banking
Women Studies & Development Economics
Rankings
Ranking Based On Selection: 23
Kallanmarthodi Geetha
Metrics
H-Index
i10 Index
Citation Counts
7
6
636
Agricultural Development
Development Economics
Women Studies
Rankings
Ranking Based On Selection: 24
Santhi P
Metrics
H-Index
i10 Index
Citation Counts
7
6
377
Rankings
Ranking Based On Selection: 25
Malarvizhi Economics
Metrics
H-Index
i10 Index
Citation Counts
7
5
450
Banking
women studies and Develoment Economics
Rankings
Ranking Based On Selection: 26
T Thamaraiselvi
Metrics
H-Index
i10 Index
Citation Counts
6
5
658
Rankings
Ranking Based On Selection: 27
Jennyfer Susan Mb
Metrics
H-Index
i10 Index
Citation Counts
3
0
20
Image Processing and Computer vision
Rankings
Ranking Based On Selection: 28
Shijitha R
Metrics
H-Index
i10 Index
Citation Counts
3
0
11
Medical image processing
Signal Processing
Wireless Communication
Rankings
Ranking Based On Selection: 29
Shijitha R
Metrics
H-Index
i10 Index
Citation Counts
3
0
11
Rankings
Ranking Based On Selection: 30
Pa Raajeswari
Metrics
H-Index
i10 Index
Citation Counts
3
0
22
Food Science
Nutrition
Food Preservation
processing
communicable disease
Rankings
Ranking Based On Selection: 31
Premavathy Vijayan
Metrics
H-Index
i10 Index
Citation Counts
3
0
15
Rankings
Ranking Based On Selection: 32
Nethra It
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
Rankings
Ranking Based On Selection: 33
Sabeena
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
Rankings
Ranking Based On Selection: 34
Akalyadevi K
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Fuzzy Graph Theory
Neutrosophic Graph
Graph Coloring
Rankings
Ranking Based On Selection: 35
Swathilakshmi Av
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 36
Raichel M. Sylus
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
American Literature
Children's Literature
Ecocriticism
Rankings
Ranking Based On Selection: 37
Gaayathiri Devi
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Rankings
Ranking Based On Selection: 38
Suganya A
Metrics
H-Index
i10 Index
Citation Counts
2
0
4
Nutraceuticals
Foods and Nutrition
Rankings
Ranking Based On Selection: 39
Shanthi M
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 40
Vaishnavy Viswanathan
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
General Topology
Intuitionistic fuzzy topology
Rankings
Ranking Based On Selection: 41
P Kalaivani
Metrics
H-Index
i10 Index
Citation Counts
1
0
9
Extension Education
Agriculture
Rural Development
Women Empowerment
Public Private Partnership
Rankings
Ranking Based On Selection: 42
G Victoria Naomi
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Special Education
Inclusive education and Education
Rankings
Ranking Based On Selection: 43
T.Radha
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Extension
women related issues and solutions
women entrepreneurs
research
Training
Rankings
Ranking Based On Selection: 44
Priyanka Udayan
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 45
Krithika Ravichandran
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 46
Vanitha G
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 47
N Deepasathish Fsn
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Food Science
Clinical Nutrition
Public Health Nutrition
Experimental Nutrition
Nutritional Science
Rankings
Ranking Based On Selection: 48
Vennila Commerce
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 49
Padhmini K
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 50
Sreedevi R Krishnan
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Deep Learning
Video Surveillance
Anomaly detection
Rankings
Ranking Based On Selection: 51
Hema
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Soft Computing
Machine Learning
Semantic Web
Ontolology
Data Mining
Rankings
Ranking Based On Selection: 52
Shameena.H.Khan
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 53
Sudha Devi Manickam
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Phytotherapeutics and Animal Biotechnology
Rankings
Ranking Based On Selection: 54
Priyadharsni Ponnumuthu
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 55
Jeyaashri Sai P
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Talent Inventory
Talent Management
Industry 4.0
Industry 5.0
Entrepreneurship
Rankings
Ranking Based On Selection: 56
Vidhyakala Commerce
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 57
Bhuvaneshwari S
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 58
Anjumkhan English
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 59
Sudha R
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 60
J. Sofia Jannet
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Familly Resource Management
Rankings
Ranking Based On Selection: 61
Raichel English
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Ecocriticism
American Literature
Children's Literature
Rankings
Ranking Based On Selection: 62
N.Deepa Sathish
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Nutrition
Food Science
Food Microbiology
Food Processing and Preservation and Clinical Nutrition
Rankings
Ranking Based On Selection: 63
Vijaya Ma
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 64
Priyanga Rajendran
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 65
Ccs Vasundhara
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 66
Sumathi.D
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Renewable energy
solid waste management
Rankings
Ranking Based On Selection: 67
Sumathi D
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 68
Loga Nayaki
Metrics
H-Index
i10 Index
Citation Counts
0
0
0