Olav Hestenes (11 February 1930 – 29 November 1996) was a Norwegian barrister.
He was born in Tromsø, a son of Ola Hestenes and Gerda Kristine Larsen, and was a brother of journalist Arne Hestenes. He represented the defendant in more than two hundred murder cases, including several with high media profile. He wrote two autobiographical books, Kamp i sort kappe from 1990, and Underveis med hvite hansker from 1992.