Gila Mountains is the name of two mountain ranges along the Gila River in Arizona:
- The Gila Mountains (Graham County) in eastern Arizona
- The Gila Mountains (Yuma County) in southwestern Arizona
Additionally, Gila mountains is a term used to denote the ranges of the Gila River headwaters in New Mexico. These are:
- The Black Range
- The Mogollon Mountains
- The Mimbres Mountains