The following is a list of regulators in the UK. Regulators exercise regulatory or supervisory authority over a variety of endeavours.

In addition, local authorities in the UK provide regulatory functions in a number of areas. Professional associations also act to regulate their memberships. The UK is also bound by a number of European and other trans-national regulators, not listed here.

• Charity Commission for England and Wales
• Charity Commission for Northern Ireland
• Office of the Scottish Charity Regulator

• Ofqual – Office of Qualifications and Examinations Regulation
• Ofsted – Office for Standards in Education, Children's Services and Skills in England
• Office for Students (OfS)
• Teaching Regulation Agency

• Council for the Curriculum, Examinations & Assessment
• Education and Training Inspectorate
• General Teaching Council for Northern Ireland

• Education Scotland
• General Teaching Council for Scotland
• Scottish Qualifications Authority

• Education Workforce Council
• Estyn - The education and training inspectorate for Wales^[1]
• Higher Education Funding Council for Wales
• Qualifications Wales

• Environment Agency (EA)
• Marine and Fisheries Division
• Marine Directorate
• Marine Management Organisation (MMO)
• Natural Resources Wales (NRW)
• Northern Ireland Environment Agency (NIEA)
• Scottish Environment Protection Agency (SEPA)

• Bank of England
• Financial Conduct Authority (FCA)
  • The Office for Professional Body Anti-Money Laundering Supervision (OPBAS)^[2]
• Financial Reporting Council, expected to be replaced by the Audit, Reporting and Governance Authority in 2023
• Institute of Chartered Accountants in England and Wales
• Office of the Regulator of Community Interest Companies (ORCIC)
• Payment Systems Regulator (PSR)
• Pensions Regulator
• Prudential Regulation Authority (PRA)

• Care Quality Commission (CQC)
• Complementary and Natural Healthcare Council (CNHC)
• General Chiropractic Council (GCC)
• General Dental Council (GDC)
• General Medical Council (GMC)
• General Optical Council (GOC)
• General Osteopathic Council (GOsC)
• General Pharmaceutical Council (GPhC)
• Health and Care Professions Council (HCPC) – fifteen professions with designated titles^[3]
• Health and Safety Executive
• Healthcare Inspectorate Wales (HIW)
• Healthcare Improvement Scotland
• Healthcare Safety Investigation Branch (HSIB)
• Human Fertilisation and Embryology Authority
• Human Tissue Authority (HTA)
• Medicines and Healthcare products Regulatory Agency (MHRA)
• Nursing and Midwifery Council (NMC)
• Pharmaceutical Society of Northern Ireland (PSNI)
• Professional Standards Authority for Health and Social Care
• Public Health Scotland
• Public Health Wales
• The Regulation and Quality Improvement Authority (RQIA) (Northern Ireland)
• Royal College of Veterinary Surgeons (RCVS)
• UK Health Security Agency (UKHSA)

• Regulator of Social Housing
• Scottish Housing Regulator

• Authorised Conveyancing Practitioners Board
• Bar Standards Board
• CILEx Regulation
• Faculty of Advocates
• Law Society of Northern Ireland
• Law Society of Scotland
• Master of the Faculties
• Office of the Immigration Services Commissioner
• Solicitors Regulation Authority
• Costs Lawyer Standards Board^[4]
• Council for Licensed Conveyancers

• Care Quality Commission (CQC)
• Scottish Care Inspectorate
• Care Council for Wales (CCW)
• Social Work England^[5]
• Northern Ireland Social Care Council (NISCC)
• Scottish Social Services Council (SSSC)

• Civil Aviation Authority (CAA)
• Maritime and Coastguard Agency
• Office of Rail and Road (ORR)
• Rail Safety Authority (Northern Ireland)

• Drinking Water Inspectorate (England and Wales)
• Drinking Water Inspectorate (Northern Ireland)^[6]
• Drinking Water Quality Regulator for Scotland^[7]
• Ofcom – independent regulator and competition authority for the UK communications industries
  • Phone-paid Services Authority – regulator for phone-paid services in the UK, part of Ofcom, replaces ICSTIS, PhonepayPlus
• Office for Nuclear Regulation (ONR)
• Ofgem – the Office of the Gas and Electricity Markets, regulation of the electricity and gas industries in Great Britain
• Ofwat – the Water Services Regulation Authority, economic regulation of the water and wastewater industries in England and Wales
• The Utility Regulator – economic regulation of the electricity, gas, water and wastewater industries in Northern Ireland^[8]
• Water Industry Commission for Scotland – economic regulation of the water and wastewater industries in Scotland

• Accreditation Service
• Advertising Standards Authority
• British Board of Film Classification
• Chartered Institute for the Management of Sport and Physical Activity
• Competition and Markets Authority
• Council for Registered Gas Installers
• Direct Marketing Authority
• Engineering Council – the regulatory body for the engineering profession
• Equality and Human Rights Commission
• Food Standards Agency
• Forensic Science Regulator
• Fundraising Regulator
• Gambling Commission
• Gangmasters and Labour Abuse Authority
• HM Revenue and Customs
• IMPRESS
• Independent Press Standards Organisation
• Information Commissioner's Office
• North Sea Transition Authority
• Planning Inspectorate
• Independent Office for Police Conduct
• Security Industry Authority

• List of professional associations in the United Kingdom
• Inspectorate § UK