Zamboanga may refer to:
- Zamboanga City, a city located in Mindanao, Philippines
- Zamboanga Peninsula, a political administrative region in the Philippines
- Zamboanga Peninsula (geographical region), a peninsula projecting westward from the Mindanao island landmass in southern Philippines
- Republic of Zamboanga, a revolutionary republic in 1899
- Zamboanga (province), a former province of the Philippines
- Zamboanga del Norte, a province located along the northern coast of Zamboanga Peninsula
- Zamboanga del Sur, a province located along the upper third of the southern coast of Zamboanga Peninsula
- Zamboanga Sibugay, a province located along the middle third of the southern coast of Zamboanga Peninsula