Laurence Glynn Williams, OBE, FREng, FIMechE, FNucl, FLSW (born 14 March 1946) is a British nuclear engineer, health and safety expert, and academic.

He studied mechanical engineering at Liverpool Polytechnic, graduating with a Bachelor of Science (BSc) degree.

He later undertook postgraduate studies in nuclear reactor technology at Aston University, and graduated with a Master of Science (MSc) degree in 1972.

[1] From 1970 to 1971, Williams was a design engineer with the Nuclear Power Group and worked on high temperature reactors.

[1] Having spent the first six years of his career working as an engineer, in 1976 Williams moved into health and safety.

[1][2] Since at least 2013, he has been a visiting professor in nuclear safety, security and regulation at King's College London.

[1] Since 2011, he has served as UK member of the High Scientific Council of the European Nuclear Society.

[9] As part of the Queen's 2018 Birthday Honours List, Williams was awarded the title of OBE for services to Nuclear Safety and Radioactive Waste Management.