K-1 World Grand Prix, also known as the K-1 World GP, is an elimination kickboxing tournament that was originally held annually from 1993 by the K-1 organization, under the ownership of the Fighting and Entertainment Group (FEG). Each year, K-1 would hold various 16-men, 8-match grand prix style qualifying tournaments throughout the world to determine which 16 fighters will compete in the main World GP.

Kickboxing is a full-contact hybrid martial art and boxing type based on punching and kicking. Kickboxing originated in the 1950s to 1970s. The fight takes place in a boxing ring, normally with boxing gloves, mouth guards, shorts, and bare feet to favor the use of kicks. Kickboxing is practiced for self-defense, general fitness, or for competition. Some styles of kickboxing include: Full contact karate, Muay Thai, Japanese kickboxing, Lethwei, Sanda, and Savate.