| Coordinates: | 57.48°N -7.26°W |
| Location Map: | Scotland Outer Hebrides |
| Caption: | Flodaigh shown within the Outer Hebrides |
| Gridreference: | NF846553 |
| Celtic Name: | Flodaigh |
| Meaning Of Name: | "Float island", from Norse |
| Area Rank: | 124= |
| Highest Elevation: | 20 m |
| Population: | 7 |
| Population Density: | 4.8 people/km2 |
| Population Rank: | 72= |
| Island Group: | Uists and Barra |
| Local Authority: | Na h-Eileanan Siar |
Flodaigh is a tidal island lying to the north of Benbecula and south of Grimsay in the Outer Hebrides, Scotland. It is connected to Benbecula by a causeway.
The island is 145 hectares and in 2001 had a population of 11 and 7 in 2011. The census refers to the island by its anglicised name of "Flodda".