Laffey is the surname of:
Aaron Laffey (born 1985), American Major League Baseball pitcher
Alice L. Laffey (1944–2023), American Biblical scholar
Bartlett Laffey (1841–1901), Irish-born United States Navy sailor and Medal of Honor recipient
Bernie Laffey (born 1928), former Australian rules footballer
Marcus Laffey, pen name of The New Yorker columnist and author Edward Conlon (born 1965)
Merv Laffey (1925–2007), Australian rules footballer
Michael Laffey (1863–?), American politician
Steve Laffey (born 1962), American politician, businessman, author and filmmaker
Thomas J. Laffey (born 1943), Irish mathematician
Tony Laffey, footballer who represented New Zealand in 1958
