| Reservoir | |
| Type: | EP |
| Artist: | Fionn Regan |
| Cover: | Reservoir EP.jpg |
| Genre: | Folk |
| Label: | Anvil |
| Prev Title: | Little Miss Drunk |
| Prev Year: | 2002 |
| Next Title: | Hotel Room EP |
| Next Year: | 2004 |
Reservoir is a four-song CD EP by Irish singer/songwriter Fionn Regan. It was released 20 January 2003 on Anvil Records.