James, Jim, and Jimmy Parker may refer to:

• James Cutler Dunn Parker (1828–1916), American musician
• James Ervan Parker (born 1942), American singer-songwriter
• James Stewart Parker (1941–1988), English playwright and writer
• Jim Parker (composer) (1934–2023), British composer

• James Parker (Medal of Honor) (1854–1934), United States Army major general
• James P. Parker (1855–1942), United States Navy commodore

• James Parker (judge) (1803–1852), British vice-chancellor, father of the rower James Parker
• James Parker (British politician) (1863–1948), British Labour politician, Member of Parliament for Halifax
• James Parker, Irish general, see Irish Defence Forces Chief of Staff
• James Parker (Massachusetts politician) (1768–1837), United States congressman from Massachusetts
• James Parker (New Jersey politician) (1776–1868), United States congressman from New Jersey
• James Aubrey Parker (1937–2022), U.S. federal judge
• James S. Parker (1867–1933), United States congressman from New York
• James Augustus Parker (1820–1899), member of the Queensland Legislative Assembly

• James Parker (cement maker) (fl. 1791–1797), British clergyman and cement maker, the inventor of "Roman" cement
• James Parker (priest) (1930–2016), American priest of the Anglican and later Roman Catholic Church

• James Parker (hammer thrower) (1975–2023), American hammer thrower
• James Parker (handballer) (born 1994), Argentine handballer
• James Parker (rower) (fl. 1842–1863), English rower, son of the judge James Parker
• James Parker (rugby league) (fl. 1912–1919), New Zealand rugby league player
• James Parker (rugby union), New Zealand rugby union player; see List of New Zealand national rugby union players
• James Parker (tennis), American tennis player of the 1960s; see 1965 Wimbledon Championships – Men's Singles
• James "Quick" Parker (1958–2018), Canadian Football League player
• Jim Parker (American football) (1934–2005), American professional football player
• Jim Parker (footballer) (fl. 1905–1913), English footballer
• Red Parker (Jimmy Parker, 1931–2016), college football coach
• Jamie Parker (cricketer) (born 1980), English cricketer

• James Parker (publisher) (1714–1770), colonial American printer and publisher
• James W. Parker (1797–1864), Texas settler
• James Parker (art historian) (1924–2001), curator of European Sculpture and Decorative Arts at the Metropolitan Museum of Art
• James A. Parker (foreign service officer) (1922–1994), African-American foreign service officer
• James Benjamin Parker (1857–1907), American noted for attempting to stop the assassination of president William McKinley
• Jim Parker (rugby union) (1897–1980), New Zealand soldier, sportsman and businessman
• James Wentworth Parker (1886–1957), American mechanical engineer
• James Vanderburgh Parker (1830–1917), American heir and social leader

• Jamie Parker (born 1979), English actor and singer
• Jamie Parker (politician) (born 1971), Australian Greens politician