Raobahadur Narayan Dinanath Velkar (1798–1870) was a 19th-century social reformer and civic leader from Bombay. He is known for his contributions to the city's intellectual and civic life and he was instrumental in establishing key institutions such as the Central Library at Town Hall and the Framji Cowasjee Institute. As one of the owners of the Bombay Times, which later became The Times of India. He was the first Indian Municipal Commissioner for Bombay's welfare in 1840.