Look up TIN in Wiktionary, the free dictionary.
TIN may refer to:
- Tax identification number, used for tax purposes in the United States
- Tindouf Airport (IATA code), in Tindouf, Algeria
- Titanium nitride (TiN), a ceramic material
- Triangulated irregular network, a geometric data structure
See also
edit- Tin, a metal
- Tin (disambiguation)