Monaghan is a town in County Monaghan, Ireland.
Monaghan, a variant of the Gaelic manacháin, meaning "little monk", may also refer to:
Places County Monaghan, a county in Ulster province, in the Republic of Ireland Monaghan (Dáil constituency), a former parliamentary constituency in Ireland spanning the whole of County Monaghan
Monaghan, County Fermanagh, a townland in County Fermanagh, Northern Ireland Monaghan Township, Pennsylvania, U.S. Cavan Monaghan, a township in Peterborough County, Ontario, Canada Otonabee–South Monaghan, a township in Peterborough County, Ontario, Canada
Constituencies County Monaghan (Parliament of Ireland constituency), until 1800 Monaghan Borough (Parliament of Ireland constituency), until 1800 County Monaghan (UK Parliament constituency), 1801–1885 North Monaghan, 1885–1922 South Monaghan, 1885–1922 Monaghan (Dáil constituency), 1921–1977 Cavan–Monaghan, since 1977
People Monaghan (surname), including a list of people with the surname
Other Monaghan United F.C., an Irish football (soccer) club USS Monaghan, the name of two ships in the US Navy named after John R. Monaghan USS Monaghan (DD-32), a Paulding-class destroyer, which served in World War I USS Monaghan (DD-354), the last Farragut class destroyer built, which served in World War II at Pearl Harbor and the Battle of Midway
See also Minihan Monahan Moynahan Moynihan (surname)