| State: | OK |
| Type: | SH |
| Route: | 113 |
| Map Custom: | yes |
| Maint: | ODOT |
| Length Mi: | 21.87 |
| Direction A: | South |
| Direction B: | North |
| Terminus A: | north of McAlester |
| Terminus B: | in Canadian |
| Previous Type: | OK |
| Previous Route: | 112 |
| Next Type: | OK |
| Next Route: | 115 |
State Highway 113 (abbreviated SH-113) is a state highway in Pittsburg County, Oklahoma, United States. It runs for 21.87miles and has no lettered spur routes.
SH-113 begins at Business US-69 north of McAlester. It heads northbound to Indianola, where it turns east and heads to Canadian. It then ends at an interchange with the US-69 freeway.