Krishna Raja Wadiyar III was the 23rd ruler of the Wadiyar dynasty in Mysore, India. He reigned from 1799 to 1868, making him one of the longest-serving kings in the region. His rule is noted for significant cultural and economic development, as well as the promotion of arts and education. Under his leadership, Mysore saw the establishment of various institutions, including schools and hospitals. He was a patron of music and literature, contributing to the rich cultural heritage of the state. His reign is often remembered for its progressive policies and efforts to modernize the kingdom.