| Daill Loch | |
| Location: | Knapdale, Scotland |
| Pushpin Map: | Scotland Argyll and Bute |
| Coords: | 56.0523°N -5.5125°W |
| Type: | Reservoir |
| Outflow: | Dunadry Burn |
| Basin Countries: | Scotland, United Kingdom |
| Area: | 123475m2 |
| Elevation: | 155m (509feet) |
Daill Loch is an impounding reservoir located west north west of Lochgilphead and south of the Crinan Canal. It is one of a number of lochs supplying water to the canal. The earthen dam is high and was completed in 1930.