The internal market is the single market that exists amongst the member states of the European Union

Internal market may also refer to:

• NHS internal market, a policy of competition in England's National Health Service
• Single market or common market, an association of countries which have removed trade barriers to form continuous market
• United Kingdom Internal Market Act 2020, an act of the UK Parliament to prevent internal trade barriers and restrict the powers of the devolved administrations
• The Internal Market (novel), a 1997 biographical novel by Muhammad Shukri

• Common market (disambiguation)
• Relationship marketing#Internal marketing