The Kerka (; , Kerkás; Prekmurje Slovene: Kerka) is a river of Slovenia and Hungary. It is a left tributary of the Ledava near Kerkaszentkirály. In its upper course, upstream from its confluence with the Little Kerka (; , Kis-Kerka) south of Bajánsenye, it is also called Big Kerka (; ; Prekmurje Slovene: Velka Kerka). The river is about long.