SIN
See also: Appendix:Variations of "sin"
Translingual
Proper noun
SIN
- (sports) Abbreviation of Singapore.
English
Proper noun
SIN
- Abbreviation of Sinaloa, A state of Mexico.
Noun
SIN (plural SINs)
- (Canada) Initialism of social insurance number, an identification number issued by the government of Canada.
See also
- (Social Insurance number): SSN