Črnomelj (German: Tschernembl, Italian: Cernomegli) is a town in southeastern Slovenia. It is the seat of the Municipality of Črnomelj. It lies on the left bank of the Lahinja and Dobličica rivers. The municipality is at the heart of the area of White Carniola, the southeastern part of the traditional region of Lower Carniola. It is now included in the Southeast Slovenia statistical region.