GIR can refer to:
- Gateway International Raceway in Madison, Illinois
- Geographic Information Retrieval
- Gir, one of the pen names of Jean Giraud, a French comics artist
- Gir Forest National Park in Gujarat, India, the only natural habitat of the Asiatic Lion
- GIR, a character in the animated series Invader Zim
- Glider infantry regiment, any one of several regiments of the U.S. Army operating from military gliders during World War II
- Gray's Inn Road in London, location of the headquarters of ITN
- Greens in Regulation, a golf statistic, see Golf glossary#G
- Gir, alternate name of Giv, Qom, Iran
- See also
- Gyr