Bács-Bodrog is the name of a historic administrative county (comitatus) in present-day southern Hungary and northern Serbia (western Vojvodina). The capital of the county was Sombor.
The northernmost part of the county is now part of the Hungarian county Bács-Kiskun, most of the county (including Sombor and Novi Sad) is now part of the present Serbian autonomous region Vojvodina.