Flannan (disambiguation)
# Flannan (disambiguation)

Flannan may refer to:

* Flannán mac Toirrdelbaig, saint and patron of Killaloe
* Flannan Isles, a small island group in the Outer Hebrides of Scotland
* Flannan Isles Lighthouse, lighthouse on Eilean Mòr, one of the Flannan Isles
* St Flannan's College, Irish secondary school
* Flannan Isle, poem by Wilfrid Wilson Gibson
