The acronym "INS" may refer to:
Places
- Ins, Switzerland, a municipality
Arts, entertainment, and media
- Indian Newspaper Society
- International News Service, US, 1909–1958
Enterprises and organizations
- International Necronautical Society
- International Network Services Inc.
- International Neuroethics Society
- International Neuropsychological Society
- International Nuclear Services, UK
Government and politics
- Immigration and Naturalization Service, former US agency merged into DHS
- Institut National de la Statistique (disambiguation), statistics agencies in many Francophone countries
- National Institute of Statistics (Romania)
- Indian naval ship
- Israeli naval ship prefix
Science and healthcare
- Insulin or INS, a hormone
Technology
- The HTML
<ins>...</ins>element, for indicating inserted text in a web page or other HTML document - Inertial navigation system
- Insert key, of a computer keyboard
Other uses
- The abbreviated plural of inches
- International Numbering System for Food Additives, adopted by the Codex Alimentarius Commission