Mirko Novosel (30 June 1938 – 20 July 2023) was a Croatian professional basketball coach and player.

He was enshrined into the Naismith Memorial Basketball Hall of Fame, as a coach, on 7 September 2007.

Novosel coached Cibona to two Yugoslav League titles, seven Yugoslav Cups, and the two European Champions Cup titles in 1985 and 1986, when he was named the European Coach of the Year.

Novosel was also the head coach of the senior men's Croatia national team, leading them to the bronze medal at the 1993 European Championship.

This biographical article relating to a Croatian basketball figure is a stub.