Leon's Frozen Custard is a family-owned drive-in restaurant specializing in frozen custard, located in Milwaukee, Wisconsin.

[1] Opened in 1942,[2][3] its current appearance as a "drive-in restaurant" comes from an early 1950s remodel.

[citation needed] Leon's Frozen Custard claims to be the "Home of the World's Finest Frozen Custard," as noted boldly on its signage.

[2] Leon's offers the three "regular" flavors of vanilla and chocolate and butter pecan.

[5] Butter pecan was added on a regular basis because it was so popular.