About One Jiu Jitsu

One Jiu Jitsu is a well-structured and supportive martial arts academy where students of all ages can learn and grow. Professors are knowledgeable and encouraging, allowing students to have fun while challenging themselves. With classes for both young and old, the academy fosters confidence and strength in its students. Despite being crowded, the academy's structure and additional coaches ensure a positive experience for all.

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Reviews for One Jiu Jitsu

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  • Feb 2026

    We love One Jiu Jitsu and it’s the best Jiu Jitsu gym around for our kids. Professor Mo and Professor Giva care deeply about the kids, making sure every student is having a good time. Here’s a photo of them having the kids sing happy birthday to make them feel special. I highly recommend it here. Thank you to their whole team.

  • Jan 2026

    I’ve been a member here since they opened, and it is hands down the best place to train. Professor Giva leads an amazing team of instructors—he’s a true master who remains humble and approachable. The gym maintains a safe, family-friendly environment where everyone is welcome. The facility is also spotless and includes showers. Highly recommended for anyone looking for quality training!

  • Dec 2025

    This place is amazing. As a former Army combatives instructor, and former law enforcement, I wanted somewhere for my 5 year old daughter to learn jiu-jitsu. I am so glad we found ONE jiu-jitsu.

    Watching her go from a 5 year old with a high energy, low attention span, to a high energy, highly focused, disciplined competitor has been a highlight of being a father.

    The instructors are all great with the kids and the classes are top notch. Saturdays are shorter classes, but they're my favorite because the kids usually get to roll with each other.

    I would not hesitate to recommend this place to any parent looking for jiu-jitsu classes for their kids of...read full review

Hours

Monday: 6:30AM - 9:30PM
Tuesday: 6:30AM - 9:30PM
Wednesday: 6:30AM - 9:30PM
Thursday: 6:30AM - 9:30PM
Friday: 12 - 8PM
Saturday: 9AM - 1PM
Sunday: Closed

Tips

1:1 sessions available accepts credit cards good for kids bike parking

Location

544 E 1st St, Tustin

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