James Williamson

James Williamson may refer to:

• James Alexander Williamson (1829–1902), Union general in the American Civil War
• James Allen Williamson (born 1951), Oklahoma state senator
• James Whitfield Williamson (1925–2008), Louisiana politician
• James Williamson, 1st Baron Ashton (1842–1930), British businessman and Liberal Party politician
• James Williamson (cyclist) (1983–2010), Australian journalist and cyclist
• James Williamson (film pioneer) (1855–1933), Scottish film-pioneer
• James Williamson (historian), (1886–1964) English historian of maritime exploration
• James Williamson (musician) (born 1949), American guitarist, songwriter and record producer, guitarist with The Stooges
• James Williamson (politician) (1814–88), New Zealand politician
• J.C. Williamson (James Cassius Williamson, 1845–1913), American actor and later theatrical manager in Australia