Vadiraja Tirtha (1268-1317 CE) was a renowned Indian philosopher, poet, and saint of the Dvaita school of Vedanta. He is considered one of the greatest exponents of Dvaita Vedanta and is revered as a saint by the Dvaita followers.

Vadiraja Tirtha was born in Udupi, Karnataka, India, and was initially a member of the Durga community. He was deeply influenced by the teachings of Madhvacharya, the founder of the Dvaita school, and later became a prominent exponent of the school.

• Vadiraja Tirtha was a prolific writer and poet, and his works include commentaries on the Upanishads, the Bhagavad Gita, and the Puranas.
• He was a strong advocate for the importance of devotion to Vishnu and the performance of ritualistic ceremonies.
• Vadiraja Tirtha is also known for his teachings on the nature of the ultimate reality, the concept of the individual self, and the path to liberation.