Bruce Alexander Bilby FRS[1] (3 September 1922 – 20 November 2013) was a British mechanical engineer, and an Emeritus Professor at the University of Sheffield.

[2][3] He was a graduate of Dover Grammar School for Boys.

He once taught at University of Birmingham[4] and was the Professor of the Theory of Materials at the University of Sheffield from 1966 to 1984.

He was a colleague of Alan Cottrell.

He died aged 91 on 20 November 2013.