Allen

Allen may refer to:

A County

 * Allen County, Indiana
 * Allen County, Kansas
 * Allen County, Kentucky
 * Allen Parish, Louisiana
 * Allen County, Ohio

A Township

 * , Miami, Indiana
 * , Polk, Iowa
 * , Hillsdale, Michigan
 * , Ottawa, Ohio
 * , Union, Ohio
 * Allen Township, Centre, Pennsylvania, settled about 1791; incorporated Aug. 1814 from Spring Township as Allen Township; name changed in 1815 to.
 * , Northampton, Pennsylvania

A Populated Place

 * Allen, Amador, California
 * , Lyon, Kansas
 * Allen, Floyd, Kentucky
 * Allen, Natchitoches, Louisiana
 * , Wicomico, Maryland
 * , Hillsdale, Michigan
 * , Dixon, Nebraska
 * Allen, Allegany, New York
 * , Pontotoc, Oklahoma
 * , Cumberland, Pennsylvania
 * , Northampton, Pennsylvania
 * Allen, Bennett, South Dakota
 * , Collin, Texas

Argentina

 * Allen, Río Negro, Argentina

Australia

 * , Queensland, Australia

Ireland

 * , Kilmeage, Kildare, Ireland

Philippines

 * , Northern Samar, Philippines

United Kingdom

 * Allen (townland), Desertceat, Tyrone, Northern Ireland
 * Allen, Cornwall, England
 * River Allen, in Dorset, England
 * River Allen, in Northumberland, England, a tributary of the River South Tyne