John Will (born 16 April 1957) is a notable martial artist from Australia. Will won the Best Exponent Award in the first World Silat Championships held in Jakarta in 1981. Will also completed his black belt in Brazilian Jiu Jitsu under Rigan Machado and Jean Jacques Machado in 1998, making him one of the first twelve foreign nationals to have earned a black belt in Brazilian Jiu Jitsu.