Gianyar is a regency (kabupaten) in the Indonesian province and island of Bali, Indonesia. It has an area of 368 km2 and population of 470,380, making it the second most densely populated district in Bali (after Badung). Its regency seat is Gianyar. The civil registry survey of April 2011 listed 480,447 people, of which 469,929 were classified as Hindu.
The town of Ubud, a centre of art and tourism, is located in Gianyar.