Krishna Dvaipayana (Sanskrit: कृष्णद्वैपायन), better known as Vyasa (Sanskrit: व्यासः lit. 'compiler') or Veda Vyasa (वेदव्यासः, Veda-vyāsaḥ, "the one who classified the Vedas"), was a legendary sage portrayed in the Hindu epic Mahabharata, and regarded by Hindu-tradition as the compiler of that work.

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The great Vibhuti of the mythological-epic era, Mahabharata, Eighteen Puranas, Srimadbhagavata, Brahmasutra, Mimamsa, the founder of unique literature-philosophy, Ved Vyas, was born on Ashada Purnima about 3000 BC. Vedanta Darshan, the founder of Advaitaism, was the son of sage Parashar. As a Shaktyavesha Avatar (śaktyāveśa-avatāra) of Vishnu, he is also regarded by tradition as the arranger of the mantras of the Vedas.