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Best BJJ Gyms in O'Fallon, MO (2026)

Last updated July 2026 · ranked by student review count

O'Fallon has 3 Brazilian Jiu-Jitsu gyms in our directory with 143 student reviews between them. The ranking below is simple and honest: gyms ordered by how many students have reviewed them — a strong proxy for community size and staying power. Review counts come from public listings and refresh regularly. Always take a free trial class before committing; here's what to look for.

  1. The Grappling Place

    70reviews

    With 70 student reviews — the most of any gym in O'Fallon— it tops this year's list. Located at 610 N Main St. See hours, reviews & contact info →

  2. Vanderson Gomes Brazilian Jiu-Jitsu

    54reviews

    54 students have reviewed this academy. Located at 4261 Keaton Crossing Blvd. Classes run 5 days a week. See hours, reviews & contact info →

  3. Fortuna Brazilian Jiu-Jitsu

    19reviews

    19 students have reviewed this academy. Located at 127 Triad Center W. Classes run 6 days a week. See hours, reviews & contact info →

How this ranking works

We rank by verified student review counts rather than editorial opinion — more reviews generally means a bigger, longer-running community. It's a starting point, not a verdict: the right gym for you depends on schedule, location, coaching style, and culture. Browse all 3 gyms in O'Fallon or read what to expect in your first class.