title: Grehan
text: # 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
  