The Maricopa or Piipaash, are a Native American tribe, who live in the Salt River Pima-Maricopa Indian Community and Gila River Indian Community along with the Pima, a tribe with whom the Maricopa have long held a positive relationship.

The Maricopa, mostly Xalychidom Piipaash, at the Salt River Pima-Maricopa Indian Community are concentrated in Lehi, while the Maricopa at the Gila River Indian Community are concentrated in Maricopa Colony.

The Maricopa are a former Yuma River group, living along the banks of the Colorado River.