James, Jim, Jimmy, or Jamie Davis may refer to:

Entertainment

J. Gunnis Davis (1873–1937), actor and director, whose directorial work was credited as James Davis
Jim Davis (actor) (1909–1981), American actor
Jim Davis (cartoonist) (born 1945), creator of the Garfield comic strip
Jamie Davis (actor) (born 1981), English actor
Jamie Davis (musician) (born 1983), American musician
James B. Davis (musician) (1917–2007), American musician
James "Thunderbird" Davis (1938–1992), American Texas blues and electric blues guitarist, singer and songwriter
Jimmy Davis (songwriter) (1915–1997), co-writer of the song "Lover Man (Oh, Where Can You Be?)"
Jimmy Davis (Memphis singer), singer-songwriter for 1980s rock band Jimmy Davis & Junction
James Davis (critic) (1853–1907), pen-name Owen Hall, Irish-born theatre writer and theatre critic
James Davis (satirist) (c. 1706–1755), Welsh doctor and satirist
James G. Davis, American artist

Sports

James Davis (Surrey cricketer) (fl. 1840s), English cricketer
James Davis (Kent cricketer) (died 1870), English cricketer
Jim Davis (rugby league) (1887–1934), Australian rugby league footballer of the 1900s and 1910s
Jim Davis (basketball player) (1941–2018), American basketball player
Jim Davis (basketball coach) (born 1946), American college basketball coach
James Davis (sprinter) (born 1976), American sprinter
Jimmy Davis (footballer) (1982–2003), Manchester United footballer
James Davis (fencer) (born 1991), British fencer
James Davis (footballer, born 1995), Equatoguinean footballer

James Davis (printer) (1721–1785), first postmaster of North Carolina
James Davis (Australian politician) (c. 1811–1859), politician in Alberton, Victoria, Australia
James Davis (Iowa politician) (1826–1897), Iowa state senator
James H. Davis (congressman) (1853–1940), United States Representative from Texas
James J. Davis (1873–1947), United States Senator from Pennsylvania and Secretary of Labor
James C. Davis (1895–1981), United States Representative from Georgia
Jimmie Davis (1899–2000), musician and Governor of Louisiana
Jim Davis (Florida politician) (born 1957), United States Representative from Florida
Jim Davis (Indiana politician) (1928–2012), Indiana state representative
Jim Davis (North Carolina politician) (born 1947), North Carolina state senator
James E. Davis (New York politician) (1962–2003), assassinated New York City politician
Jim Davis (Ohio politician) (1935–2011), Republican member of the Ohio House of Representatives

James Z. Davis (1943–2016), judge on the Utah Court of Appeals
James Edward Davis (1817–1887), barrister, magistrate and author
James E. Davis (Los Angeles police officer) (1889–1949), Los Angeles Chief of Police

Jim Davis (businessman) (born 1943), Chairman of New Balance Athletic Shoe, Inc. and founder of Major League Lacrosse
James M. Davis (born 1948), former chief financial officer of Stanford Financial Group who pled guilty for his role in a US$7 billion Ponzi scheme

James Davis (VC) (1835–1893), Scottish Victoria Cross recipient
James Davis (escaped convict) (1808–1889), aka "Duramboi", escaped convict who lived with Aborigines
James A. Davis (1929–2016), sociologist
James B. Davis (general) (born 1935), U.S. Air Force general
Jim Limber Davis, mulatto boy who was briefly a ward of Jefferson Davis, president of the Confederate States of America
James Davis (mariner) (1575–c. 1620), English ship captain and author
James William Davis, British naturalist
James Davis (musical group), musical group signed to Motown

USS James L. Davis (1861) (1861), sailing bark acquired by the Union Navy during the American Civil War