John Bryce McLeod, FRS FRSE[1] (23 December 1929 – 20 August 2014[2]) was a British mathematician, who worked on linear and nonlinear partial and ordinary differential equations.

[3] He obtained his PhD in 1959 under the supervision of Edward Charles Titchmarsh at the University of Oxford.

He then returned to Oxford to take up a Fellowship in Pure Mathematics at Wadham College.

[5] In 1988 McLeod took up a professorship at the University of Pittsburgh, where he remained until his retirement in 2007.

[6] In 1965, he was awarded the Sir Edmund Whittaker Memorial Prize.