Labor Defender (1926–1937) was a magazine published by the International Labor Defense (ILD), itself a legal advocacy organization established in 1925 as the American section of the Comintern's International Red Aid network and thus as support to the Communist Party (which in 1926 was legally the Workers Party of America).

[1] In January 1926, the ILD began publishing Labor Defender, as a monthly, profusely illustrated magazine with a low cover price of 10 cents.

"[2] Labor Defender depicted a black-and-white world of heroic trade unionists and dastardly factory owners, of oppressed African Americans struggling for freedom against the Ku Klux Klan and the use of state terror to stifle and divide and destroy all opposition.

Foster, cartoonist Robert Minor, and Benjamin Gitlow, a former political prisoner in New York.,[3] as well as non-party voices like novelist Upton Sinclair, former Wobbly Ralph Chaplin, Socialist Party leader Eugene V. Debs, and Gavin Arthur, grandson of U.S. President Chester A. Arthur.

Between April 1936 and December 1937, Sasha Small, Gavin Arthur, and communist poet Langston Hughes served as editors.