Haihaya ( was a son of Indian ruler Sahastrajit. He was the founder of Haihaya dynasty and Haihaya Kingdom. According to Hindu Puranas, he was the son of great king Yadu's elder son Sahastrajit.

Name

According to Hindu Puranas, Chandravanshi King Yadu's elder son's Sahastrajit grandson name was Haihaya. Haihaya's real name was Ekveera who was the son of Lord Vishnu and Lakshmi. When Sahastrajit impregnated his wife, at the same time Ekveera appeared in the form of Sahastrajit's semen and soul of Hayagriva as divine light in his wife's womb. The avtara of Hayagriva emerged, Then that child was named Haihaya (i.e. manas son of Lord Vishnu and soul of Hayagriva). In some places his name is also known as Heheya.