Bojan Polak (nom de guerre Stjenka; 28 November 1918 – 4 July 2004) was a Yugoslav military officer, communist politician, and athlete of Slovene ethnicity.

He was raised in Žiri and Ljubljana and showed considerable prowess in athletics, becoming the Yugoslav national champion in decathlon in 1938.

He attended the military academy for reserve officers of the Royal Yugoslav Army in Sarajevo and graduated in 1940.

Following the defeat of the Royal Army in the April War, he joined the Yugoslav Partisans and by 1943 was made commander of the Ljubo Sercer Shock Brigade.

He was president of the Federation of Veterans Associations of the People's Liberation War from 1983 to 1984, and in 1988 Polak was made president of the ZZB NOV Slovenije, the largest organization for Partisan veterans of the Second World War in Slovenia.