Hin or HIN may refer to:
- Hin recombinase
- Dilijan, Armenia
- Hinton (Amtrak station), West Virginia, United States
- Hot Import Nights automobile shows
- Hull number, or hull identification number
- Juiced 2: Hot Import Nights, a video game released in October 2007
- Narvik University College (HiN), a Norwegian state institution of higher education
- Sacheon Airport, South Korea
- Hin, a sub-divided unit of the hekat, an ancient Egyptian volume unit
- Hin, a Biblical unit of measurement
- H.I.N. Hazard Identification Number, used in the transport and labelling of dangerous goods in Europe