The Guatemalan Olympic Committee (COG) is the entity in charge of representing Guatemala in the Olympic Games and other international sporting events. It is responsible for coordinating the preparation of Guatemalan athletes and ensuring their participation in international competitions. The Guatemalan Olympic Committee was founded in 1947 and was recognised by the International Olympic Committee in 1947. Guatemala debuted for the first time at the 1952 Helsinki Olympic Games.

Today, Joma is the official sponsor and supplier of sportswear for the athletes of the Guatemalan Olympic Committee. This partnership includes the provision of competition uniforms and training clothing for Guatemalan athletes participating in international events, including the Olympic Games.