| Little Red Deer River | |
|---|---|
 Little Red Deer River near Harmattan | |
 | |
| Location | |
| Country | Canada |
| Physical characteristics | |
| Source | |
| • location | Waiparous Creek, Waiparous Valley |
| • coordinates | 51°24′41.1″N 115°05′21″W / 51.411417°N 115.08917°W |
| Mouth | |
• location | Red Deer River near Innisfail |
• coordinates | 52°03′44″N 114°07′24.9″W / 52.06222°N 114.123583°W |
| Length | 315.36 km (195.96 mi) |
| Basin size | 3,689 km2 (1,424 sq mi) |
The Little Red Deer River, sometimes referred to by the acronym LRD or LRDR, is a medium-sized river in Alberta, Canada. It is a tributary of the larger Red Deer River.