Connick is a surname and may refer to:
- Charles Connick (born 1875), prominent American stained glass artist
- Harry Connick, Jr. (born 1967), American singer, musician, and actor, son of Harry Connick, Sr.
- Harry Connick, Sr. (born 1926), New Orleans district attorney and part time singer
- Connick v. Myers, a 1983 U.S. Supreme Court decision in a lawsuit brought against Harry Connick Sr.
- Patrick Connick (born 1961), Republican member of the Louisiana House of Representatives
- Robert E. Connick (born 1917), a professor emeritus of chemistry at the University of California, Berkeley
- Seán Connick, Irish Fianna Fáil politician
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