Harmon, Oklahoma should not be confused with Harmon County, Oklahoma.
| Official Name: | Harmon, Oklahoma |
| Pushpin Map: | Oklahoma |
| Pushpin Label: | Harmon |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oklahoma |
| Subdivision Type2: | County |
| Subdivision Name2: | Ellis |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 2497 |
| Coordinates: | 36.1447°N -99.5603°W |
| Area Code: | 580 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1093546 |
Harmon is an unincorporated community in Ellis County, Oklahoma, United States. Harmon is located on U.S. Route 60, east of Arnett.
Olin Branstetter (1929-2011), businessman and Oklahoma state legislator, was born in Harmon.[1]