Dharmanatha was the fifteenth Jain Tirthankara of the present age (Avasarpini). According to Jain beliefs, he became a siddha, a liberated soul which has destroyed all of its karma.

Dharmanath was born to King Bhanu Raja and Queen Suvrata Rani at Ratnapuri in the Ikshvaku dynasty. His birth date was the third day of the Magh Sukla month of the Indian calendar.