Cusack is a surname. Notable people with the surname include:
A–M Adam Cusack (1601–1681), Irish landowner, barrister and judge Alex Cusack (born 1980), Irish cricketer Andrew Cusack (fl. 17th century), Irish colonial administrator Ann Cusack (born 1961), American actress
Billy Cusack (born 1966), Scottish judoka
Carmen Cusack (born 1971), American actress Carole M. Cusack (born 1962), Australian historian of religion Catherine Cusack (born 1968), British actress Catherine Cusack (politician) (born 1963), Australian politician Colin Cusack (born 2000), British rower Conor Cusack (born 1979), Irish sportsperson
Declan Cusack (born 1988), Irish rugby union player
Dónal Óg Cusack (born 1977), Cork hurling goalkeeper
Evelyn Cusack (born 1964), Irish weather presenter Francis Peter Cusack (1919–1990), New Zealand labourer and character
Gregory Cusack (born 1943), American politician Henry Edward Cusack (1865–1954), Irish mechanical engineer
James Cusack (born 1990), British broadcaster and DJ James William Cusack (1788–1861), Irish surgeon, President of the RCSI
John Cusack (Australian politician) (1868–1956), Australian politician
Joyce Cusack (born 1942), American politician
Maggie Cusack, Academic and university president Margaret Anna Cusack (1832–1899), Irish nun and religious sister Mark Cusack (born 1984), American politician
Michael Cusack (Gaelic Athletic Association) (1847–1906), Founder of the Gaelic Athletic Association Michael Cusack (rugby union) (born 1984), Scotland international rugby union player
Michael Cusack (cyclist) (born 1955), Irish cyclist and author
N–W Neil Cusack (born 1951), Irish distance runner
Nicholas Cusack, Roman Catholic bishop Nicholas Cusack (Jacobite) (born 1638), Irish Jacobite politician Nick Cusack (born 1965), English footballer Nicole Cusack (born 1966), Australia netball international
Peter Cusack (rugby league) (born 1977), Australian rugby league footballer Peter Cusack (musician) (born 1948), English artist and musician
Ralph Cusack (1916–1978), Irish-born barrister and English High Court judge
Robert Cusack (judge), Irish judge Sean Cusack (1925–2014), Republic of Ireland footballer Sean Cusack (rugby league) (born 1966), Scotland international rugby league footballer Sinéad Cusack (born 1948), Irish stage, television and film actress
Stephen Cusack (biologist) (born 2000), British biologist
Thomas Cusack (politician) (1858–1926), American politician Thomas Cusack (bishop) (1862–1918), American clergyman Thomas Cusack (Irish judge) (1490–1571), Anglo-Irish judge and statesman Tom Cusack (born 1990), Australian rugby union player
See also
Cusick