O Fallon

Best Mexican Restaurants in O Fallon

Looking for the best Mexican restaurants in O Fallon? We've gathered 5 spots serving Mexican food in O Fallon, ranked by real diner reviews and ratings. Browse photos, check menus, and request a free reservation — all in one place. Updated June 2026.

Unclaimed

Best Mexican Restaurants in O Fallon

El Maya Mexican Restaurant

Las Maria's

Don Emiliano's Restaurante Mexicano

Las Maria’s

Qdoba Mexican Grill