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.
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.
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.
At Necalli Jiu Jitsu San Jose, we provide structured jiu jitsu training and community support that make lasting progress possible.
These stories reflect why families choose Brazilian Jiu Jitsu in San Jose at Necalli for both kids and adults.

Client
These stories reflect why families choose Brazilian Jiu Jitsu in San Jose at Necalli for both kids and adults.

Client
These stories reflect why families choose Brazilian Jiu Jitsu in San Jose at Necalli for both kids and adults.

Client
Visit our FAQs to learn more about gear, class expectations, and how to get started with jiu jitsu training.
Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.
Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.
Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.
Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.
Absolutely. We offer a 1-Day Free Trial so you can experience the environment before joining.