9th-century Indian philosophers

Ānandavardhana (c. 820 – 890 CE) was a Kashmiri court poet and literary critic, honored with the title of Rajanak during King Avantivarman's reign. Anandavardhana authored the Dhvanyāloka, or A Light on Suggestion (dhvani), a work articulating the philosophy of "aesthetic suggestion" (dhvani, vyañjanā).

Vasugupta ( – 850 CE) was the author of the Shiva Sutras, an important text of the Advaita tradition of Kashmir Shaivism, also called Trika (sometimes called Trika Yoga).

Acharya Virasena (750–825CE), also spelt as Veerasena, was a Jain monk and belonged to the lineage of Acharya Kundakunda. He was an Indian mathematician and Jain philosopher and scholar of Digambar sect. He was also known as a famous orator and an accomplished poet. He is renowned for his work on the monumental Jain commentary series on the Shatkhandagama, known as the Dhavala texts. The late Dr. Hiralal Jain places the completion of this treatise in 816. He played a critical role in the development of Digambara scholasticism and is considered one of the greatest Jain scholars of early medieva

Indian logician

Indian Shaivite

thumb|Burial place of Sureshvaracharya, marked by golden dome, in the premises of the Sringeri Sharada Peetham, Karnataka, India

9th-century Indian philosopher