Fennelly is a surname. Notable people with the surname include:

• Aidan Fennelly (born 1981), Gaelic football player from Laois in Ireland
• Bill Fennelly (born 1957), the head women's basketball coach at Iowa State University
• Brendan Fennelly (born 1956), Irish former hurling manager and retired player
• Colin Fennelly (born 1989), Irish hurler
• Frank Fennelly (1860–1920), 19th-century Major League Baseball shortstop
• Ger Fennelly (born 1954), retired Irish sportsperson
• James Mathias Fennelly (1929–2000), Chairman of the Department of Philosophy, Professor of History of Religions at Adelphi University, New York
• Keeva Fennelly, camogie player and financial reporter
• Kevin Fennelly (born 1955), retired Irish hurling manager and former player
• Kevin Fennelly (senior), hurler from County Kilkenny
• Leann Fennelly, camogie player and a student, played in the 2009 All Ireland camogie final
• Liam Fennelly (born 1958), Irish retired sportsperson
• Mary Fennelly (1948–2025), Irish camogie player and administrator
• Michael Fennelly (hurler) (born 1985), Irish hurler
• Nial Fennelly (born 1942), judge of the Supreme Court of Ireland, Advocate General of the European Court of Justice from 1995 to 2000
• Parker Fennelly (1891–1988), American actor who appeared in ten films, numerous television episodes and hundreds of radio programs
• Seán Fennelly (born 1959), retired Irish sportsperson

See also

• Fenella (disambiguation)
• Fennel
• Fennell
• Vennel

Surname list

This page lists people with the surname Fennelly.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.