'''Patrick Casey''' (or '''Pat''' or '''Paddy''') may refer to:
* Patrick Casey (bishop of Ross, Ireland) (1873–1940), Irish Roman Catholic bishop * Patrick Casey (bishop of Brentwood) (Patrick Joseph Casey, 1913–1999), English bishop * Patrick Casey (rugby union) (Patrick Joseph Casey, born 1941), Irish rugby union player * Pat Casey (baseball) (born 1959), American baseball coach * Pat Casey (politician) (born 1962), Irish politician * Patrick J. Casey, American biochemist and molecular pharmacologist * Pat Casey, CTO and EVP of DevOps Servicenow * Paddy Casey (born 1975), Irish musician * Patrick Casey (writer) (born 1978), American writer and actor * Patrick Casey (white supremacist) (born 1989), American neo-Nazi * Patrick Casey (runner) (born 1990), American middle-distance runner * Pat Casey (BMX) (1993–2023), American freestyle BMX rider * Patrick Casey (footballer) (born 2006), Irish footballer
{{hndis|Casey, Patrick}}