Castlehaven is a civil parish in County Cork, Ireland.

Castlehaven or Castle Haven may also refer to:

Castlehaven GAA, a Gaelic football club in the parish Battle of Castlehaven, a 1601 naval battle in the bay off the parish, in the Nine Years' War Earl of Castlehaven, a title in the Peerage of Ireland Castle Haven, an Iron Age hill fort near Borgue, Dumfries and Galloway, Scotland Castle Haven (TV series), a British soap opera