People named Liddle include:
Andrew R. Liddle, professor of astrophysics at the University of Sussex in Brighton
Chris Liddle, English cricket player
Craig Liddle, English former footballer
Danny Liddle (1912–1982), Scottish footballer
David Liddle, co-founder of Interval Research Corporation
Don Liddle, American left-handed pitcher for the New York Giants
Fred Liddle, English professional association football
Gary Liddle, footballer currently playing for Chesterfield
Jeremy Liddle, bass guitarist of Canadian pop punk band Faber Drive
Rod Liddle, British journalist best known for his term as editor of BBC Radio 4 's Today programme.
Roger Liddle, British political adviser
Steve Liddle, Major League Baseball bench coach for the Minnesota Twins
Nardus Liddle, GM at South African based maintenance company.