John Wishart FRSE (28 November 1898 – 14 July 1956) was a Scottish mathematician and agricultural statistician.

[2] He studied mathematics at the University of Edinburgh under Edmund Taylor Whittaker, graduating with an MA and BSc.

He was elected a Fellow of the Royal Society of Edinburgh in 1931,[5] his proposers being Edmund Taylor Whittaker, Malcolm Laurie, Alexander Craig Aitken and Robert Schlapp.

[8] Wishart drowned at the age of 57 in July 1956, having suffered a stroke while swimming in the sea at Revolcadero Beach, Acapulco.

He was in Acapulco as a representative of the Food and Agriculture Organization, and on a mission to set up a research centre.