6th-century Indian writers

Aryabhata (, ) or Aryabhata I (476–550 CE) was the first of the major mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy. His works include the Āryabhaṭīya (which mentions that in 3600 Kali Yuga, 499 CE, he was 23 years old) and the Arya-siddhanta.

Varāhamihira ( 20/21 March 505 – 587), also called Varāha or Mihira, was an ancient Indian mathematician, astrologer-astronomer who lived in or around Ujjain in present-day Madhya Pradesh, India.

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).

Bharavi () was a 6th century Indian poet known for his epic poem Kirātārjunīya, one of the six mahakavyas in classical Sanskrit.

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)

Yativṛṣabha (Yativrishabha), also known as Jadivasaha, was a mathematician and Jain monk. He is believed to have lived during the 6th century, probably during 500–570. He studied under Arya Manksu and Nagahastin. He lived and worked between the periods of two great Indian mathematicians, Aryabhata (476 – 550) and Brahmagupta (598-668).

Durvinita () is seen as the most successful ruler of the Western Ganga dynasty. He is remembered for his military prowess, literary achievements, and strong patronage of Jainism. He was a son of the preceding king Avinita.

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.