6th-century Indian philosophers

Gauḍapāda (Sanskrit: गौडपाद; ), also referred as Gauḍapādācārya (Sanskrit: गौडपादाचार्य; "Gauḍapāda the Teacher"), was an early medieval era Hindu philosopher and scholar of the Advaita Vedanta school of Hindu philosophy. While details of his biography are uncertain, his ideas inspired others such as Adi Shankara who called him a Paramaguru (highest teacher).

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).

thumb|Acharya|Ācārya Bhāviveka Converts a Nonbeliever to Buddhism, [[Gelug 18th-century Qing painting in the Philadelphia Museum of Art]]

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

Bodhiruci () was a Buddhist monk from North India (6th century CE) active in the area of Luoyang, China. He was appointed as master translator at Yongning (永寧寺) temple by emperor Xuanwu of the Northern Wei. In his translations, Bodhiruci was assisted by the central Indian monk Ratnamati (勒那摩提).

Indian philosopher (530-561)

Prabhakara (IAST: Prabhākara) active c. 6th century was an Indian philosopher-grammarian in the Mīmāṃsā tradition of Kerala.

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.

'''' () was an ancient Indian philosopher. He wrote the Padārtha-dharma-saṅgraha (Collection of Properties of Matter) and a commentary, titled Praśastapāda Bhāṣya, on the Vaisheshika Sutras of Kanada (circa 2nd century BCE); both texts are comprehensive books in physics. In these texts Prashastapada discusses the properties of motion. Ganganath Jha had translated Praśastapāda Bhāṣya which was published in 1916. Prashasta or Praśasta'' (Sanskrit: प्रशस्त) means praised or praiseworthy, lauded or laudable, commended or commendable or eulogized.