Killeen is a city in Bell County, Texas, and is the only place with that name in the United States.
Killeen is also a common place name in Ireland and less commonly, Northern Ireland and may also refer to: Places Northern Ireland Killean, County Armagh, or Killeen, a village in County Armagh Killeen, County Down, a townland in County Down Killeen, County Tyrone, a townland in County Tyrone
Ireland Killeen, County Cork, a village in County Cork Killeen, County Laois, a village in County Laois Killeen, County Mayo, a village in County Mayo Killeen, County Meath, a village in County Meath Killeen, County Tipperary, a townland in County Tipperary Killeen, County Westmeath, a townland in the civil parish of Castletownkindalen, barony of Moycashel
United States Killeen Air Force Station, Killeen, Texas
Other uses Killeen (surname) Killeen Castle (disambiguation)
See also Cillín, a historical children's burial place