Inchmarnock
| Scottish Gaelic name | Innis Mhearnaig |
|---|---|
| Meaning of name | Island of St. Marnock |
| Location | |
| OS grid reference | NS020598 |
| Coordinates | 55°47′N 5°10′W / 55.79°N 05.16°W |
| Physical geography | |
| Island group | Islands of the Clyde |
| Area | 266 ha (660 acres) |
| Area rank | 93 |
| Highest elevation | 60 m (197 ft) |
| Administration | |
| Council area | Argyll and Bute |
| Country | Scotland |
| Sovereign state | United Kingdom |
| Demographics | |
| Population | 0 |
| References | |
Inchmarnock (Scottish Gaelic: Innis Mheàrnaig) is an island at the northern end of the Sound of Bute in the Firth of Clyde, on the west coast of Scotland. The island is privately owned.