William Grattan Tyrone Power, known professionally as Tyrone Power, was an Irish stage actor, comedian, author and theatrical manager. He was an ancestor of the American actors Tyrone Power Sr. and Tyrone Power and is also referred to as Tyrone Power I.

Frederick Tyrone Edmond Power Sr. was an English-born American stage and screen actor, known professionally as Tyrone Power. He is now usually referred to as Tyrone Power Sr. to differentiate him from his son, actor Tyrone Power. He was thrice widowed.