McPhail is a surname. Notable people with the surname include:
Addie McPhail (1905–2003), American film actress
Alastair McPhail, British diplomat, the first British ambassador to South Sudan
Andrew McPhail, Scottish professional rugby league player
Billy McPhail (1928–2003), former Scottish footballer
Bob McPhail (1905–2000), former Scottish international footballer
Bruce McPhail (born 1937), New Zealand rugby player
Chris McPhail, Australian semi-professional ice hockey player
Dan McPhail (1903–1987), Scottish professional footballer
David McPhail (rugby league) (early 20th century), New Zealander who played for English professional teams
David McPhail (born 1945), New Zealand actor
Donna McPhail, British comedian, TV presenter, journalist
Douglas McPhail (1914–1944), American actor and singer
Hal McPhail (1912–1977), American football player
Jerris McPhail (born 1972), former professional American football player
John McPhail (1923–2000), former Scottish international footballer
Larry McPhail (born 1968), retired American soccer forward
Marnie McPhail (born 1966), Canadian-American actress
Michael McPhail (born 1981), American Olympic rifle shooter
Sharon McPhail (born 1948), American lawyer and politician
Stephen McPhail (born 1979), Republic of Ireland international footballer
Tom McPhail, Canadian professor of media studies