Jol Khvor (Persian: جل خور, also Romanized as Jol Khowr; also known as Chaulak, Chavlak, Chovalk, and Chūlak) is a village in Kalan Rural District, Zarneh District, Eyvan County, Ilam Province, Iran. At the 2006 census, its population was 47, in 10 families. The village is populated by Kurds.