James Cullen may refer to: James Cullen (mathematician) (1867–1933), Irish Jesuit, described Cullen numbers James Cullen (PTAA) (1841–1921), Irish Jesuit, founder of the Pioneer Total Abstinence Association James P. Cullen (1945–2017), American brigadier general James Cullen (comics), fictional DC Comics character
See also James Cullen Martin (1928–1999), American chemist Jim Cullen (1878–1954), Australian rules footballer Jim Cullen (skier), Canadian para-alpine skier