Grehan
# Grehan

Grehan is a surname. Notable people with the surname include:

* Ceara Grehan, Northern Irish theatrical and opera singer
* Derry Grehan (born 1957), Canadian guitarist
* Francie Grehan, Gaelic footballer
* James Grehan (disambiguation), multiple people
* Martin Grehan (born 1984), Scottish footballer
* Stephen Grehan (born 1971), Irish retired hurler
