Cameroon national under-23 football team, also known as the Indomitable Lions (Les Lions Indomptables), represents Cameroon in international football competitions in Olympic Games. The selection is limited to players under the age of 23, except during the Olympic Games where the use of three overage players is allowed. The team is controlled by the Cameroonian Football Federation.

Kamerun U23 er det kamerunske U23-landslaget i fotball for menn. Laget representerer Kamerun i internasjonale fotballturneringer, inkludert Sommer-OL og U23-Afrikamesterskapet. Kamerun U23 har deltatt i Sommer-OL ved flere anledninger, og vant gullmedalje i 2000. Laget har også vunnet U23-Afrikamesterskapet to ganger, i 2002 og 2011.