OHSAA Southwest Region athletic conferences

This is a list of high school athletic conferences in the Southwest Region of Ohio, as defined by the OHSAA.

Former members (all closed) The Eastern Cincinnati Conference comprises teams mostly from larger schools in eastern Hamilton County and nearby counties in Greater Cincinnati.

Former Members The GCL was restructured in 2013, as the Girls' Greater Catholic League was merged into the conference.

The Miami Valley League resumed competition during the 2019-2020 school year as part of a breakoff from the Greater Western Ohio Conference (GWOC[4] ) Miami Division Valley Division Former Schools The Ohio Heritage Conference is an OHSAA athletic league whose members are located in the Ohio counties of Champaign, Clark, Madison, Greene and Union.

The league was established in the fall of 2001 North Division South Division Former members The conference was formed as the Clermont County League in 1919, and changed their name to the Southern Buckeye in 1987.

CBC membership as of the 2017-2018 school year. Kenton Trail Division members are in red, Mad River Division members are in blue, and future members are striped in their respective future division assignments.