Arup (officially Arup Group Limited) is a British multinational professional services firm headquartered in London that provides design, engineering, architecture, planning, and advisory services across every aspect of the built environment.

Sir Ove Nyquist Arup, CBE, MICE, MIStructE, FCIOB (16 April 1895 – 5 February 1988) was an English engineer who founded Arup Group Limited, a multinational corporation offering engineering, design, planning, project management, and consulting services for building systems.

Associated Regional and University Pathologists, Inc. (ARUP Laboratories) is a Salt Lake City, Utah-based nonprofit laboratory at University of Utah's Department of Pathology.

(born 29 December 1956) an Indian business executive and professor.

Arup Raha, PVSM, AVSM, VM, ADC, is an Indian Air Force veteran and was the 21st Chief of the Air Staff of the Indian Air Force and served from 31 December 2013 to 31 December 2016.

Arup Kumar Datta is an Indian writer and Journalist from Guwahati, Assam.

(born 8 September 1955) a retired Indian Police Service officer who served as the 36th Police Commissioner of Mumbai.