Freestyle wrestling is a style of wrestling. Along with Greco-Roman, it is one of the two styles of wrestling contested in the Olympic Games. High school wrestling and men's collegiate wrestling in the United States are conducted under different rules and termed scholastic and collegiate wrestling. U.S. collegiate women's wrestling is conducted under freestyle rules.

Wrestling is a martial art and combat sport that involves grappling with an opponent and striving to obtain a position of advantage through different throws or techniques, within a given ruleset. Wrestling involves different grappling-type techniques such as clinch fighting, throws and takedowns, joint locks, pins, and other grappling holds. Many different wrestling techniques have been incorporated into martial arts, combat sports, and military systems. Wrestling is genuine competition; professional wrestling is athletic theatre.