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
Unincorporated community
Harjo Location within the state of Oklahoma Show map of Oklahoma Harjo Harjo (the United States) Show map of the United States
Coordinates: 35°12′46″N 96°49′33″W / 35.21278°N 96.82583°W / 35.21278; -96.82583
Country	United States
State	Oklahoma
County	Pottawatomie
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)