Stepan Ivanovich Naumenko (Russian: Степан Иванович Науменко, Ukrainian: Степан Іванович Науменко; 7 January 1920 – 20 November 2004) was a Soviet MiG-15 pilot during the Korean War, credited as the first Soviet ace in the conflict. Estimates of his number of victories range from two to six, although most indicate five.