The fourth season of The Real Housewives of Potomac, an American reality television series, was broadcast on Bravo.

It premiered on May 5, 2019, and is primarily filmed in Potomac, Maryland.

Its executive producers are Steven Weinstock, Glenda Hersh, Lauren Eskelin, Lorraine Haughton-Lawson, Thomas Kelly and Andy Cohen.

The fourth season of The Real Housewives of Potomac focuses on the lives of Gizelle Bryant, Ashley Darby, Robyn Dixon, Karen Huger, Monique Samuels and Candiace Dillard Bassett.

All six housewives featured during the third season returned as housewives, with Katie Rost—who previously appeared as a housewife during the first season—returning in a recurring capacity.