"Magu" may refer to:

• Magu District of Mwanza Region, Tanzania
• Gilbert "Magú" Luján
• Magu, a Desorden Público band member.
• Ma Gu, a legendary Xian (Taoism) "immortal"

Gilbert "Magú" Luján (October 16, 1940 – July 24, 2011) was a well known and influential  Chicano sculptor, muralist and painter. He founded the famous Chicano collective Los Four that consisted of artists Carlos Almaraz, Beto de la Rocha (Father of former Rage Against the Machine frontman Zack de la Rocha), Frank Romero and himself. In 1974, Judithe Hernández became the "fifth" and only female member of Los Four.