James Ferdinand Morton, Jr. (October 18, 1870 – October 7, 1941) was an anarchist writer and political activist of the 1900s through the 1920s especially on the topics of the single tax system, racism, and advocacy for women. After about 1920 he was more known as a Bahá'í, a notable museum curator, an esperantist and a close friend of H.P. Lovecraft.