Erwin Gabathuler OBE FRS (1933 – 29 August 2016) was a nuclear physicist from Northern Ireland.
Erwin Gabathuler was born in Maghera, Co. Londonderry, Northern Ireland on 16 November 1933, a son of the manager of the Swiss embroidery factory. He attended Rainey Endowed School, Magherafelt and gained a B.Sc. Hons in Physics from Queen's University, Belfast in 1956 and a Ph.D. from the University of Glasgow in 1961.
He researched at Cornell University, USA from 1961–1964, then Daresbury Laboratory, Cheshire 1965-1974. He began work at CERN in 1974, as a scientific attaché from the Rutherford Laboratory, Didcot, eventually becoming a direct employee at CERN in 1978 for a 4-year appointment as Head of the Experimental Physics Division, taking over from Emilio Picasso. He spent 1983-2002 at the University of Liverpool as professor of Physics and head of the particle physics group, maintaining his connections with CERN. When he retired, the University of Liverpool organised an "ErwinFest" to celebrate his career.
He was elected to the Royal Society on 15 March 1990 and received the Rutherford Medal and Prize in 1992 (with Terry Sloan) from the Institute of Physics. He was awarded the Order of the British Empire in 2001 for services to physics.
He received two honorary degrees, an honorary doctorate from the Faculty of Mathematics and Science at Uppsala University, Sweden in 1982., and a D.Sc. from Queen's University, Belfast in 1997.