Harjo is an unincorporated community in Pottawatomie County, Oklahoma, United States. The post office was established June 24, 1921, and discontinued August 31, 1954. The name means "brave beyond discretion" in the Creek (Muscogee) language. Nearby is the Rose-Fast site, a prehistoric Indian base camp dating from the Woodland period, 0-1000 AD. The site was added to the NRHP in 1986.

Harjo
Harjo is located in Oklahoma
Harjo
Harjo
Location within the state of Oklahoma
Harjo is located in the United States
Harjo
Harjo
Harjo (the United States)
Coordinates: 35°12′46″N 96°49′33″W / 35.21278°N 96.82583°W / 35.21278; -96.82583
CountryUnited States
StateOklahoma
CountyPottawatomie
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)