Train With Purpose.

Confidence. Discipline. Community. Discover Necalli Jiu Jitsu in South San Jose – a veteran-owned, family-first martial arts school dedicated to growth on and off the mats.

More Than Technique, Building Leaders

Finding a jiu jitsu gym that actually teaches more than technique is tough. At Necalli Jiu Jitsu, we help students of all ages build confidence, self-control, and grit – not just fighting skills. Our martial arts training focuses on personal growth and discipline as much as physical ability.

Led by a Veteran. Rooted in Real-World Experience.

Founded by Air Force medic Jesse Diaz, our studio blends traditional discipline with a modern, approachable style. Whether you’re seeking martial arts training for beginners, looking for martial arts for kids or martial arts for teens, or exploring adult martial arts, you’ll feel at home here.

What Makes Necalli Different?

At Necalli Jiu Jitsu San Jose, we provide structured jiu jitsu training and community support that make lasting progress possible.

Start Your Journey in 3 Easy Steps

Testimonials Section

Have Questions Before You Train?

Visit our FAQs to learn more about gear, class expectations, and how to get started with jiu jitsu training.

Q: Can I try a class before committing?

Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.

Q: What should I wear to class?

Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.

Q: Do I need any prior experience?

Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.

Q: What ages do you accept?

Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.

Q: What’s the vibe like?

Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.

Get In Touch