Calla is an unincorporated community in Mahoning County, in the U.S. state of Ohio. The community lies about 4 miles (6.5 km) south of Canfield.
A post office called Calla was established in 1889, and remained in operation until 1933. Besides the post office, Calla has an Evangelical church, established in 1864.
40°58′21″N 80°46′14″W / 40.97250°N 80.77056°W