Peter Mumby (born 22 February 1969) is an English retired professional footballer who played as a striker. Mumby signed for Shamrock Rovers on loan in January 1989 and scored on his League of Ireland debut at Oriel Park on the 29th. In his next appearance, he wrote himself into the history books by scoring a hat-trick against rivals Bohemian F.C. He was on target again the following week as Rovers beat Home Farm in a FAI Cup quarter final replay. His last goal for The Hoops was in a FAI Cup semi final second leg against Derry City. He scored a total of 6 in 9 total appearances for Rovers.