| Poor Fork | |
| Progression: | Cumberland–Ohio–Mississippi |
| Length: | 45miles |
| Mouth Elevation: | 1148feet |
| Discharge1 Location: | Cumberland, Kentucky |
| Discharge1 Avg: | 147 cu/ft. per sec.[1] |
The Poor Fork is a 45miles[2] tributary of the Cumberland River in Letcher and Harlan Counties, southeast Kentucky, in the United States. The river flows from its source at Flat Gap in Letcher County, on the Kentucky–Virginia border, generally southwest to where it meets Martin's Fork in Baxter to form the Cumberland River.