Peter Ryan
Peter Ryan may refer to:
Sports
- Peter Ryan (cricketer), Australian cricketer
- Peter Ryan (footballer, born 1891), Australian rules footballer for St Kilda
- Peter Ryan (footballer, born 1936), Australian rules footballer for South Melbourne and police superintendent
- Peter Ryan (footballer, born 1948), Australian rules footballer for Hawthorn
- Peter Ryan (rugby league, Newtown), Australian rugby league footballer active 1953–1962
- Peter Ryan (rugby union, born 1930), English rugby union player
- Peter Ryan (rugby union, born 1940), Australian rugby union player
- Peter Ryan (rugby, born 1971), Australian rugby league footballer
- Peter Ryan (racing driver), Formula One race driver from Canada
- Peter Ryan, player in the Canada national men's basketball team in the 1970s
Other
- Peter J. Ryan, Union Army soldier and Medal of Honor recipient
- Peter John Ryan, Australian surgeon
- Peter Ryan (columnist), Australian newspaper columnist and author
- Peter Ryan (journalist), Australian journalist
- Peter Ryan (police officer), Commissioner of the New South Wales Police from 1996 until 2002
- Peter Ryan (politician), former leader of the National Party of Australia in Victoria
- Peter Ryan (singer), contestant on the first season of Australian Idol
- Peter Ryan, British computer scientist who devised Prêt à Voter