Third party
- 3P (disambiguation)
- 3rd Party
- French Revolution
- The Third Party
- The Third Party (album)
- The Third Party (webtoon)
- Third Party (British political faction)
- Third Party (DJs)
- Third Party (album)
- Third party (SIPO)
- Third party (U.S. politics)
- Third party (politics)
- Third person (disambiguation)
- Third-party beneficiary
- Third-party software component
- Third-party source