Indian logicians

Vasubandhu (; Tibetan: དབྱིག་གཉེན་ ; fl. 4th to 5th century CE) was an influential Indian Buddhist monk and scholar. He was a philosopher who wrote commentary on the Abhidharma, from the perspectives of the Sarvastivada and Sautrāntika schools. After his conversion to Mahayana Buddhism, along with his brother, Asanga, he was also one of the main founders of the Yogacara school.

Vātsyāyana (Sanskrit : वात्स्यायन) was an ancient Indian philosopher, known for authoring the Kama Sutra. He lived in India during the second or third century CE, probably in Pataliputra (modern day Patna in Bihar).

Dharmakīrti (fl. ) was an influential Indian Buddhist philosopher who worked at Nālandā. He was one of the key scholars of epistemology (pramāṇa) in Buddhist philosophy, and is associated with the Yogācāra and Sautrāntika schools. He was also one of the primary theorists of Buddhist atomism. His works influenced the scholars of Mīmāṃsā, Nyaya and Shaivism schools of Hindu philosophy as well as scholars of Jainism.

'''''' (Sanskrit: शान्तरक्षित; , 725–788), whose name translates into English as "protected by the One who is at peace" was an important and influential Indian Buddhist philosopher, particularly for the Tibetan Buddhist tradition. Śāntarakṣita was a philosopher of the Madhyamaka school who studied at Nalanda monastery under Jñānagarbha, and became the founder of Samye, the first Buddhist monastery in Tibet.

Dignāga (also known as Diṅnāga, ) was an Indian Buddhist philosopher and logician. He is credited as one of the Buddhist founders of Indian logic (hetu vidyā) and atomism. Dignāga's work laid the groundwork for the development of deductive logic in India and created the first system of Buddhist logic and epistemology (pramāṇa).

Kamalaśīla (Skt. Kamalaśīla; Tib. པདྨའི་ངང་ཚུལ་, Pemé Ngang Tsul; Wyl. pad+ma'i ngang tshul) (c. 740-795) was an Indian Buddhist monk and philosopher of Nalanda Mahavihara. Notably he accompanied Śāntarakṣita (725–788) to Tibet at the request of Trisong Detsen.

Indian Buddhist monk and translator active in China (499–569)

Indian Hindu philosopher

Śrīdhara or Śrīdharācārya (8th–9th century) was an Indian mathematician, known for two extant treatises about arithmetic and practical mathematics, Pāṭīgaṇita and Pāṭīgaṇita-sāra, and a now-lost treatise about algebra, Bījagaṇita.

Gaṅgeśa ( / Gaṅgeśa ) (first half of the 14th century) was an Indian philosopher, logician and mathematician from the kingdom of Mithila. He established the Navya-Nyāya ("New Logic") school. His Tattvachintāmaṇi (The Jewel of Thought on the Nature of Things), also known as Pramāṇacintāmaṇi (The Jewel of Thought on the Means of Valid Knowledge), is the basic text for all later developments. The logicians of this school were primarily interested in defining their terms and concepts related to non-binary logical categories.

Indian mathematician and philosopher (1873-1947)

Udayana, (Devanagari: उदयन) also known as Udayanācārya (Udyanacharya, or Master Udayana), (circa 975 - 1050 CE) was an Indian philosopher and logician of the tenth century of the Nyaya school who attempted to devise a rational theology to prove the existence of God using logic and counter the attack on the existence of God at the hands of Buddhist philosophers such as Dharmakīrti, Jñānaśrī and against the Indian school of materialism (Chārvaka). He is considered to be the most important philosopher of the Nyāya tradition.

Indian philosopher

Pakistani academic (1888–1963)

Indian logician

Indian philosopher (1872-1941)

Muslim scholar

Udyotakara (or Uddyotakara) (c. 6th century CE) was a philosopher of the Nyaya school of Indian philosophy. Subandhu’s mentioned him as the rescuer of the Nyaya. He was a brahmin of Bharadvaja gotra and he belonged to the Pashupata sect. His philosophical treatise, the '''' was written to defend Pakṣilasvāmin Vātsyāyana's '''' against the criticisms made by Dignaga.

Akalaṅka [IAST: Akalaṅka] (also known as Akalaṅkadeva and Bhatta Akalaṅka) was a Jain logician whose Sanskrit-language works are seen as landmarks in Indian logic. He lived from 720 to 780 C. E. and belonged to the Digambara sect of Jainism. His work Aṣṭaśatī, a commentary on Āptamīmaṃsa of Ācārya Samantabhadra deals mainly with Jaina logic. He was a contemporary of Rāṣṭrakūta king Krishna I. He is the author of Tattvārtharājavārtika, a commentary on major Jaina text Tattvārtha Sutra. He greatly contributed to the development of the philosophy of Anekāntavāda and is therefore called the "Maste

Indian philosopher

Yashovijaya (, 1624–1688), a seventeenth-century Jain philosopher-monk, was an Indian philosopher and logician. He was a thinker, prolific writer and commentator who had a strong and lasting influence on Jainism. He was a disciple of Muni Nayavijaya in the lineage of Jain monk Hiravijaya (belonging to the Tapa Gaccha tradition of Śvetāmbara Jains) who influenced the Mughal Emperor Akbar to give up eating meat. He is also known as Yashovijayji with honorifics like Mahopadhyaya or Upadhyaya or Gani.

Buddhist monk of the Sarvastivada school who flourished in the 2nd century CE