| Owendoher River | |
|---|---|
 Owendoher River near Cruagh Wood | |
 | |
| Physical characteristics | |
| Source | |
| • location | Glendoo Mountain and Kilakee Mountain, County Dublin |
| Mouth | |
• location | River Dodder near Rathfarnham, ultimately Dublin Bay (River Liffey) |
| Basin features | |
| River system | River Liffey via River Dodder system |
| Tributaries | |
| • right | Whitechurch Stream |
The Owendoher River (Irish: An Dothra Bheag, i.e. "The Little Dodder") is a small river in southern County Dublin, Ireland, the largest tributary of the River Dodder, and a part of the River Liffey system.