| Official Name: | Cedar, Iowa |
| Pushpin Map: | Iowa#USA |
| Pushpin Label: | Cedar |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Mahaska |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 814 |
| Coordinates: | 41.2122°N -92.5258°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 52543[1] |
| Area Code: | 641 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 455220 |
Cedar is an unincorporated community in southeastern Mahaska County, Iowa, United States. It lies along Iowa Highway 23 southeast of the city of Oskaloosa, the county seat of Mahaska County.[2]
Cedar has a Methodist church, Christian Reformed church, and a grain elevator.
A post office opened in 1874.
The Burlington and Western Railway arrived in Cedar in late 1882. This was a narrow gauge line, widened to standard gauge in 1902 and taken over by the Chicago, Burlington and Quincy. the Burlington line was abandoned in 1934.[3]
Cedar's population was 53 in 1925.[4] The population was 113 in 1940.[5]