OFK Zarkovo (Serbian Cyrillic: ОФК Жарково) is a professional football club based in Zarkovo, Belgrade, Serbia. They currently compete in the Serbian First League, the second tier of the national league system.
In 2010, the club won first place in the Belgrade Zone League and took promotion to the Serbian League Belgrade. They spent eight seasons in the third tier, before winning the title and promotion to the Serbian First League in 2018. In the 2016–17 Serbian Cup, the club defeated Metalac Gornji Milanovac in the first round after penalties. They were subsequently eliminated by Partizan, losing 2–0.