| Chester | |
| Settlement Type: | Unincorporated community & CDP |
| Pushpin Map: | USA Oklahoma#USA |
| Pushpin Map Caption: | Location within the state of Oklahoma |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oklahoma |
| Subdivision Type2: | County |
| Subdivision Name2: | Major |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 10.32 |
| Area Land Km2: | 10.32 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 176 |
| Population Density Km2: | 17.06 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1716 |
| Coordinates: | 36.2167°N -98.9208°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 73838 |
| Blank Name: | FIPS code |
| Blank Info: | 40-13800 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2629911 |
| Area Total Sq Mi: | 3.99 |
| Area Land Sq Mi: | 3.98 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 44.19 |
Chester is a census-designated place and unincorporated community in Major County, Oklahoma, United States. The post office opened April 8, 1895; the ZIP Code is 73838. It is said to have been named for Chester I. Long, U.S. Senator from Kansas.