Fukushima-ku is one of 24 wards of Osaka city, Japan.

The ward is primarily a residential quarter, but has some office buildings and a commercial district, as well as factories and wholesale businesses. In recent years, many high rise apartment buildings and office buildings have been built in this ward, because it is close to the Umeda and Dojima business centers.

As of 2008, the number of residents is 63,237. Land area is 4.67 square km. It is bordered by Yodo River on the north, and Dojima River on the south.