Bács-Kiskun is the name of an administrative county (comitatus or megye) in southern Hungary, on the border with Serbia. It shares borders with the Hungarian counties Baranya, Tolna, Fejér, Pest, Jász-Nagykun-Szolnok and Csongrád. The capital of Bács-Kiskun county is Kecskemét.

Bács-Kiskun county was created after World War II from the pre-1938 counties Bács-Bodrog and Pest-Pilis-Solt-Kiskun (southern half).