Third party may refer to:
Business
Third-party source, a supplier company not owned by the buyer or seller
Third-party beneficiary, a person who could sue on a contract, despite not being an active party Third-party insurance, such as a vehicle insurance
Politics
Third party (politics), any party contending for votes that failed to outpoll either of its two strongest rivals Third party (U.S. politics), a US political term for parties other than the Democrats or Republicans Third party (SIPO), in Ireland, those who receive political donations but do not run for election
Arts and entertainment
3rd Party, a 1990s American music group
Third Party (album), by Blue Sky Black Death and Alexander Chen, 2010
Third Party (DJs), a British DJ duo
The Third Party, a 2016 Filipino romantic comedy drama film
See also
Third person (disambiguation) 3P (disambiguation)