McKinney is a surname. Notable people with the surname include:
Alice Cary McKinney (1865-1928), American temperance and social reformer
Anthony McKinney (died 2013), a convicted murderer in Illinois whose guilt has been questioned
Baylus Benjamin McKinney (1886–1952), American singer, songwriter, and music editor
Ben McKinney (born 2004), English cricketer
Betsy McKinney (born 1939), American politician from New Hampshire
Bevin McKinney, co-inventor of the Roton rocket
Bill McKinney (1931–2011), American actor
Billy McKinney (baseball) (born 1994), American baseball player
Bill McKinney (1895–1969), American jazz drummer
Billy McKinney (politician) (1927–2010), American politician from Georgia (and father of Cynthia McKinney)
Chance McKinney, American singer
Charlotte McKinney (born 1993), American model and actress
Chris McKinney (born 1973), American writer
Cole McKinney (born 2007), American ice hockey player
Collin McKinney (1766–1861), American merchant and politician from Texas and one of the drafters of the Texas Declaration of Indepndence
Cynthia McKinney (born 1955), American politician from Georgia, Green Party nominee for president in 2008
D. Frank McKinney (1928–2001), British ornithologist and ethologist
Demetria McKinney (born 1981), American actress and songwriter
Dennis McKinney (born 1960), American politician from Kansas
DJ McKinney (born 2004), American football player
Donavan McKinney (born 1992), American politician from Michigan
Fearghal McKinney (born 1962), Northern Irish television presenter and journalist
Florine McKinney (1909–1975), American actress
Frank McKinney (1938–1992), American swimmer
Frank E. McKinney (1904–1974), American banker and chair of the Democratic National Committee from 1951 to 1952
Gene C. McKinney (born 1950), American soldier
Hannah McKinney, American politician from Michigan
Irene McKinney, American poet and editor
Jack McKinney (basketball) (1935–2018), American basketball coach
Jack McKinney (writer), pseudonym used by American writers James Luceno and Brian Daley
Jeremy McKinney (born 1976), American football player
Jimmy McKinney (born 1983), American basketball player and film actor
Joe McKinney (born 1967), Irish actor
John F. McKinney (1827–1903), American politician from Ohio
John R. McKinney (1921–1997), American soldier who received the Medal of Honor in World War II
Joseph Crescent McKinney (1928–2010), Roman Catholic bishop
Joyce McKinney (born 1949), alleged rapist in the Manacled Mormon case
Justin Aynsley McKinney (born 1978), American musician and super accountant
Kelsey McKinney, American journalist and author
Kennedy McKinney (born 1966), American boxer
Kurt McKinney (born 1962), American actor
Larry J. McKinney (1944–2017), American judge
Louise McKinney (1868–1931), Canadian politician from Alberta
Mark McKinney (born 1959), Canadian comedian and actor
Mary McKinney (1873–1987), American recognised as "the world's oldest person" at the time of her death
May Mourning Farris McKinney (1874-1959), American non-profit executive
Mike McKinney (militiaman) (1840–1925), American Civil War veteran and railroad tycoon
Mike McKinney (born 1951), American politician from Texas
Mira McKinney (1892-1978), Film and Television actress
Nathaniel McKinney (born 1982), Bahamian athlete
Nina Mae McKinney (1913–1967), American actress
Philip W. McKinney (1832–1899), American politician from Virginia
Richard McKinney (born 1953), American archer and author
Samuel B. McKinney (1926–2018), Baptist minister and civil rights leader in Seattle
Samuel McKinney (1807–1879), Irish-born Presbyterian minister in the American South
Seth McKinney (born 1979), American football player
Shanece McKinney (born 1992), American basketball player
Steve McKinney (born 1975), American football player
Stewart McKinney (politician) (1931–1987), American politician from Connecticut
Tamara McKinney (born 1962), American alpine ski racer
Terrell McKinney (born 1990), American politician from Nebraska
Tom McKinney, Irish rugby league footballer
Xavier McKinney (born 1999), American football player