John Alcindor (8 or 9 July 1873 – 25 October 1924)[1] was a physician and activist from Trinidad who settled in London.

Alcindor was born in Port of Spain, Trinidad, where he was educated at Saint Mary's College; after winning one of the four Island Scholarships he went to study medicine at Edinburgh University, Scotland,[2][3] graduating from there with a medical degree in 1899.

[6] Refused a place in the Royal Army Medical Corps, Alcindor was awarded a Red Cross medal for his work with the wounded at London rail stations during World War I.

[7] Alcindor served as senior district medical officer of the London borough of Paddington from 1921 until his death.

He also wrote about the correlation between cancer and poverty, examining the effects of unhealthy surroundings and poor diet.