| Country: | England |
| Coordinates: | 54.4827°N -1.2799°W |
| Official Name: | Middleton-on-Leven |
| Static Image: | St. Cuthbert's Church, Middleton-on-Leven.jpg |
| Static Image Width: | 300px |
| Static Image Caption: | St Cuthbert's Church, Middleton-on-Leven |
| Civil Parish: | Middleton-on-Leven |
| Unitary England: | North Yorkshire |
| Lieutenancy England: | North Yorkshire |
| Region: | Yorkshire and the Humber |
| Post Town: | YARM |
| Postcode District: | TS15 |
| Postcode Area: | TS |
| Os Grid Reference: | NZ467099 |
Middleton-on-Leven is a hamlet and civil parish in the Hambleton District of North Yorkshire, England. At the 2011 Census, the population was less than 100, and was recorded with the civil parish of Rudby. In the 2001 census, the parish had a population of 97.[1]
It is situated next to the River Leven, near the villages of Hilton (north), Seamer (east) Hutton Rudby (south). On the other side of the Leven is the town of Yarm at north-west and Kirklevington is west. Half a mile to the north-west at Castle Hill is the surviving motte of Castle Levington near the corresponding village.