Description Available in: FK Radnički Sremska Mitrovica (Serbian Cyrillic: ФК Раднички Сремска Митровица) is a football club based in Sremska Mitrovica, Serbia. They currently play in the second tier Prva Liga.
The club was founded on 15 April 1922 as Sport klub Radnički.
In its past, Radnički was the Vojvodina League champion in 1966–67 and played in the Serbian League North (Yugoslav 3rd tier) in 1967–68. Other important success were the titles of Syrmia League in 1956–57, 1965–66 and 1988–89, and winning the Syrmia Cup in 1961. In 2011–12, Radnički won the Vojvodina League West and was promoted to the Serbian League Vojvodina.