Strynø Kalv
| Geography | |
|---|---|
| Coordinates | 54°53′55″N 10°34′40″E / 54.89861°N 10.57778°E | 
| Archipelago | South Funen Archipelago | 
| Area | 0.458 km2 (0.177 sq mi) | 
| Administration | |
| Region | Region of Southern Denmark | 
| Municipality | Langeland Municipality | 
Strynø Kalv is a small privately owned Danish island in the South Funen Archipelago, lying west of Strynø. Strynø Kalv covers an area of 0.458 km2. A large part of the island remains in its natural state with farm animals grazing. Strynø kalv has since 1970 been uninhabited, but in 1921 its population was 27.
A part of the island is preserved for the conservation of the European fire-bellied toad.