Vallely is a surname of Irish origin, possibly deriving from Irish Mac Giolla Mhuire, Mac Giolla Mhura or Mac Giolla Bhearshúiligh. Bearers include:
Bill Vallely, US illustrator Cillian Vallely, Irish traditional musician Jim Vallely, US TV producer and screenwriter John Vallely, US former basketball player Mike Vallely, US skateboarder Niall Vallely, Irish traditional musician Paul Vallely, UK author, journalist, and writer on philanthropy, religion, ethics and development issues Paul E. Vallely, US soldier and military consultant for Fox News Simon Vallily, British boxer