Mankind Quarterly is a pseudoscientific journal that covers physical and cultural anthropology, including human evolution, intelligence, ethnography, linguistics, mythology, archaeology, and biology.

[11][12] The founders were Robert Gayre, Henry Garrett, Roger Pearson, Corrado Gini, Luigi Gedda (Honorary Advisory Board),[13] Otmar von Verschuer and Reginald Ruggles Gates.

[11] Its foundation was a response to the declaration by UNESCO, which dismissed the validity of race as a biological concept, and to attempts to end racial segregation in the American South.

[8] In The New York Review of Books, Charles Lane referred to The Bell Curve's "tainted sources", that seventeen researchers cited in the book's bibliography had contributed articles to, and ten of these seventeen had also been editors of, Mankind Quarterly, "a notorious journal of 'racial history' founded, and funded, by men who believe in the genetic superiority of the white race.

[30][29] As of 2024, Mankind Quarterly is published by the white nationalist Human Diversity Foundation founded by Danish far-right activist Emil Kirkegaard.

[10] Emil Kirkegaard, a white supremacist and founder of the OpenPsych journal was the registrant of the Mankind Quarterly website between 2017 and February 2023, after which the WHOIS was anonymised.