Joseph Zalman Margolis was an American philosopher. A radical historicist, he authored many books critical of the central assumptions of Western philosophy, and elaborated a robust form of relativism.

Joseph Marie, baron de Gérando, born Joseph Marie Degérando, was a French jurist, philanthropist and philosopher of Italian descent.

Joseph-Étienne-Eugène Marmette was a Canadian novelist and historian.

Joseph C. Mazur is Professor Emeritus of Mathematics at Marlboro College, in Marlboro, Vermont.

Joseph Martin McCabe was an English writer and speaker on freethought, after having been a Roman Catholic priest earlier in his life. He was "one of the great mouthpieces of freethought in England". Becoming a critic of the Catholic Church, McCabe joined groups such as the Rationalist Association and the National Secular Society. He criticised Christianity from a rationalist perspective, but also was involved in the South Place Ethical Society which grew out of dissenting Protestantism and was a precursor of modern secular humanism.

Joseph Méry was a French writer, journalist, novelist, poet, playwright and librettist.

Joseph Michael Linsner is an American comic book writer/artist, known as the creator of the mature-audiences supernatural character Dawn, and for his illustrations of female characters. He is a popular cover artist in the comics industry.

Joseph Michel Antoine Servan was a French publicist and lawyer.

Joseph Monninger is an American writer and Professor of English at Plymouth State University. He lives in Warren, New Hampshire.

Joseph Denis Murphy was an Irish author and New Thought minister, ordained in Divine Science and Religious Science.