John Maher
John Maher may refer to:
- John A. Maher, American politician
- John C. Maher, Irish-British linguist
- John Maher (Buzzcocks drummer), British car specialist and former drummer of The Buzzcocks
- John Maher (Delancey Street), founder of the Delancey Street Foundation
- John Maher (Kilkenny hurler), Irish hurler
- John Maher (Tipperary hurler), Irish hurler
- John W. Maher, American politician and veterinarian
- Johnny Marr, English guitarist, born John Martin Maher