Pat Ryan may refer to:

• Pat Ryan (Borris–Ileigh hurler) (born 1958), Irish hurler for Tipperary
• Pat Ryan (Cork hurler) (born 1976), Irish hurler
• Pat Ryan (Limerick hurler) (born 1995), Irish hurler
• Pat Ryan (Moycarkey–Borris hurler) (born 1938), Irish hurler for Tipperary

• Patrick Ryan (hammer thrower) (1881–1964), first holder of the World Hammer Record
• Pat Ryan (American football) (born 1955), American football quarterback
• Pat Ryan (Australian footballer) (1886–1937), Australian rules footballer
• Pat Ryan (boxer) (1952–2013), New Zealand boxer
• Pat Ryan (curler) (born 1955), Canadian curler
• Pat Ryan (rugby union) (1950–1985), New Zealand rugby union player

• Pat Ryan (artist), American poster artist
• Pat Ryan, maiden name of Pat Nixon (1912–1993), First Lady of the United States
• Pat Ryan (executive) (born 1937/38), founder and executive chairman of Aon Corporation
• R. L. Ryan (1946–1991), American actor, sometimes billed as Pat Ryan
• Pat Ryan (politician) (born 1982), American politician
• Pat Ryan, fictional journalist and man of action in the comic strip Terry and the Pirates (1934–1973)

• Patrick Ryan (disambiguation)
• Patricia Ryan (disambiguation)