Mihalj is a village in the Slivno municipality of the Dubrovnik-Neretva County, Croatia.

It was established as Mihalj-Kremena in 1948.

In 2001, maritime Kremena and Lučina were established out of territory (former hamlets) of Mihalj.

[2] According to the 1991 census, the village had 220 inhabitants, divided by ethnic identification as: Serbs (48,18%), Croats (41,81%), Yugoslavs (7,72%).

According to the 2011 census, the village had 156 inhabitants.