Foreign may refer to:

• Foreign policy, how a country interacts with other countries
• Ministry of Foreign Affairs, in many countries
  • Foreign Office, a department of the UK government
  • Foreign office and foreign minister
• United States state law, a legal matter in another state

• Foreign accent syndrome, a side effect of severe brain injury
• Foreign key, a constraint in a relational database

• Foreign film or world cinema, films and film industries of non-English-speaking countries
• Foreign music or world music
• Foreign literature or world literature
• Foreign Policy, a magazine

• "Foreign", a song by Jessica Mauboy from her 2010 album Get 'Em Girls
• "Foreign" (Trey Songz song), 2014
• "Foreign", a song by Lil Pump from the album Lil Pump

• Foreign corporation, a corporation that can do business outside its jurisdiction
• Foreign language, a language not spoken by the people of a certain place

• Foreigner (disambiguation)