James Day may refer to:

• James Day (poet) (fl. 1637), 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

• Jamie Day (disambiguation)
• St James Day

Topics referred to by the same term

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