James Warren may refer to:
- James Warren (journalist) (born 1953), Huffington Post blogger, former Chicago Tribune managing editor
- James Warren (politician) (1726–1808), President of the Provincial Congress of Massachusetts and a general during the American Revolution
- James Warren (engineer), British engineer who patented the Warren-type truss bridge in 1848
- James Warren (actor) (1913–2001), American film actor and artist
- Jimmy Warren (1939–2006), American college and professional football cornerback
- James S. Warren, former Director-general of the counter-terrorism branch of the Canadian Security Intelligence Service
- James Warren (publisher) (born 1930), magazine publisher and founder of Warren Publishing
- James Warren (presidential candidate), Socialist Workers Party candidate for United States President in 1988 and 1992
- James Ronald Warren (born 1925), Seattle historian
- Jamie Warren (born 1961), country music singer-songwriter
- James Warren (musician), British musician and composer, member of bands Stackridge and The Korgis
Famous quotes containing the words james and/or warren:
“Tell the boys to follow, to be faithful, to take me seriously.”
—Henry James (1843–1916)
“I didn’t know God made honky-tonk angels.”
—William Warren (1918–1992)