James Williamson
James, Jim, Jimmy or Jimmie Williamson may refer to:
Arts and entertainment
- J. C. Williamson, American-Australian theatrical actor, producer and manager
- James Williamson (film pioneer), Scottish film-pioneer
- James Williamson (musician), American guitarist, songwriter and record producer
Law and politics
- James Williamson (New South Wales politician), Australian politician
- James Williamson (New Zealand politician), New Zealand politician
- James Williamson (Victorian politician), Australian member of the Victorian Legislative Council
- James Williamson, 1st Baron Ashton, British businessman and Liberal Party politician
- James Allen Williamson, American politician in Oklahoma
Religion
- James Williamson (priest), English Archdeacon of Lewes
- James Williamson (mathematician), Scottish minister and mathematician, joint founder of Royal Society of Edinburgh
- James DeLong Williamson, American minister and president of Western Reserve University
Sports
- Jimmy Williamson, Scottish footballer
- James Williamson (Australian cyclist), Australian journalist and cyclist
- James Williamson (New Zealand cyclist), New Zealand cyclist
Others
- James Alexander Williamson, Union general in the American Civil War
- James Williamson (historian), English historian of maritime exploration
- James F. Williamson, American architect and author
- Jimmie Williamson, American community college leader