O'Shaughnessy
O'Shaughnessy is a family name that may refer to:
- Arthur O'Shaughnessy (1844-1881), English poet
- Brian O'Shaughnessy (philosopher) (1925-2010), Australian philosopher
- Brian O'Shaughnessy (actor) (1931–2001), South African actor
- Brian O'Shaughnessy (music producer)
- Daniel O'Shaughnessy (* 1994), Finnish football player
- Darren O'Shaughnessy (* 1972), Irish-British fantasy and children's book author
- Fiona O'Shaughnessy Irish television and film actress
- Gary O'Shaughnessy , Irish singer
- Marian O'Shaughnessy (* 1954), Australian hurdler and sprinter
- Michael O'Shaughnessy (1864–1934), Irish civil engineer, city planner of San Francisco
- Niall O'Shaughnessy (1955-2015), Irish athlete
- Ryan O'Shaughnessy (born 1992), Irish singer, songwriter and actor
- William Brooke O'Shaughnessy (1809–1889) Irish inventor, chemist and medicinarian
- Brigid O'Shaughnessy, fictional character in the novel The Maltese Falcon
See also:
- Perri O'Shaughnessy , the collective pseudonym of Mary and Pamela O'Shaughnessy
