The Miami Valley Conference (MVC) is an OHSAA athletic league whose members are located in the Ohio counties of Hamilton County and Butler County.

The league was established in 1979.

Purcell Marian and Roger Bacon are the most recent additions to the conference, first as a football only members beginning in 2019, then full members starting in 2021.

[1] [2] Full member Full member (non-football) Associate member (football only)