Peter Ryan

Peter Ryan may refer to:

Sports

• Peter Ryan (footballer, born 1891) (1891–1982), Australian rules footballer for St Kilda
• Peter Ryan (footballer, born 1936) (born 1936), Australian rules footballer for South Melbourne
• Peter Ryan (footballer, born 1948) (born 1948), Australian rules footballer for Hawthorn
• Peter Ryan (rugby union) (born 1940), rugby union player who represented Australia
• Peter Ryan (rugby, born 1971) (born 1971), Australian rugby league footballer
• Peter Ryan (racing driver) (1940–1962), Formula One race driver from Canada
• Peter Ryan (basketball), player in the Canada national men's basketball team in the 1970s

Other

• Peter J. Ryan (1841–1908), Union Army soldier and Medal of Honor recipient
• Peter John Ryan (1925–2002), Australian surgeon
• Peter Ryan (columnist) (1923–2015), newspaper columnist and author
• Peter Ryan (police officer) (born 1944), Commissioner of the New South Wales Police from 1996 until 2002
• Peter Ryan (politician) (born 1950), former leader of the National Party of Australia in Victoria
• Peter Ryan (singer), contestant on the first season of Australian Idol
• Peter Ryan (computer scientist), British computer scientist who devised Prêt à Voter