Judy MacArthur Clark is aBritishveterinary surgeon, and former President of theRoyal College of Veterinary Surgeons. She has held government posts in the regulation ofveterinary medicine.

Clark was chairwoman of theFarm Animal Welfare Council, now the Animal Welfare Committee, from 1999.^[2][3][4] She was appointed Chief Inspector of theHome Office unit for Animals in Science Regulations in 2007 and remained in that post until standing down in 2016.^[4][5][6][7] As part of that role, she led theThree Rs (animal research) programme.^[5][8][9]

Clark was president of the Royal College of Veterinary Surgeons from 1992 to 1993.^[9][10]

Clark is a policy advisor for theRoyal Society of Tropical Medicine and Hygiene.^[8] She is Chair of the Trustees of theSoulsby Foundation.^[11][12]

She worked on the development of legislation for theAnimals (Scientific Procedures) Act 1986.^[6]

Clark was the first president, in 2006, of the International Association of Colleges of Laboratory Animal Medicine.^[13]

Clark was employed as Vice-President of Worldwide Comparative Medicine forPfizer, and runs her own company, JMC Welfare International.^[8] She has also worked for theUniversities Federation for Animal Welfare.^[14]

Clark was made aCBE in the2004 Birthday Honours.^[9][15][16] She was made an honorary fellow of theBritish Pharmacological Society in 2016, "for her sustained leadership in the regulation of animal research".^[17] TheUniversity of Glasgow awarded her an honorary doctorate in 2001.^[18] She was made an honorary member of the American College of Laboratory Animal Medicine in 2007.^[19]

• Soulsby, (Ernest Jackson) Lawson, Baron Soulsby of Swaffham Prior (1926–2017), veterinary scientist, article by Clark for theDictionary of National Biography
• The 3Rs in research: a contemporary approach to replacement, reduction and refinement,British Journal of Nutrition, 2017
• Why Animals Matter: Animal Consciousness, Animal Welfare, and Human Well-Being,BioScience, 63(1): 57-59
• Adequate veterinary care for animals in research: a comparison of guidelines from around the world, with Joanne Zurlo and Kathryn Bayne,Institute for Laboratory Animal Research Journal, 2009

• Design, Implementation, Monitoring, and Sharing of Performance Standards for Laboratory Animal Use: Summary of a Workshop given by Clark
• Dr Judy MacArthur Clark, President (1992–1993), portrait by Jane Allison
• BBC Radio 4 Last Word, MacArthur Clark interviewed about Lord Soulsby

• British animal welfare workers
• Living people
• Women veterinary scientists
• British veterinary scientists
• Commanders of the Order of the British Empire
• British veterinarians
• Fellows of the Royal College of Veterinary Surgeons
• 21st-century British civil servants
• 20th-century British civil servants
• 21st-century British women civil servants

• Pages containing London Gazette template with parameter supp set to y
• Articles with short description
• Short description matches Wikidata
• Use British English from January 2023
• All Wikipedia articles written in British English
• Use dmy dates from January 2023
• Articles with hCards
• Place of birth missing (living people)
• Year of birth missing (living people)