James Day

James Day may refer to:


 * James Day (poet), English poet
 * James Milford Day (1815–1894), Texas military figure
 * James Plummer Day (1831–1905), American farmer, agricultural science and education advocate, and Dakota territorial politician
 * James G. Day (1835–1898), justice of the Iowa Supreme Court
 * James Roscoe Day (1845–1923), American minister and academic administrator
 * James Day (cricketer) (1850–1895), English cricketer
 * James Wentworth Day (1899–1983), British writer and broadcaster
 * J. Edward Day (1914–1996), American businessman and political office-holder
 * James Day (journalist) (1918–2008), American public television executive and performer
 * James L. Day (1925–1998), U.S. Marine Corps general
 * Jim Day (James E. Day, born 1946), Canadian equestrian
 * Jim Day (host) (born 1965), American television sports broadcaster
 * James Buddy Day, Canadian director, writer and producer
 * James M. Day, American game designer