| INS | 1st Reader INStallation script 
| Others |
| INS | Adlib INStrument file
| Others |
| INS | Creech Air Force, Base, Indian Springs, Nevada USA
| Others |
| INS | Honda Insight
| Others |
| INS | I Need Sleep
| Others |
| INS | I'm Never Satisfied
| Others |
| INS | I'm Not Sure
| Others |
| INS | Idiotarian Numbskull Society
| Others |
| INS | Idiotic Nitwit Service
| Others |
| INS | Ignoring National Security
| Others |
| INS | Immigration and Naturalization Service
| Others |
| INS | Immigration and Naturalization Services
| Others |
| INS | Immigration and Normalization Service
| Others |
| INS | Immigration Naturalization Service
| Others |
| INS | Improved Night Sight
| Others |
| INS | In Nomine Satanis
| Others |
| INS | Incident of National Significance
| Others |
| INS | Incompetent and Negligent Service
| Others |
| INS | Incompetent Naturalization Services
| Others |
| INS | Independant Novel Study
| Others |
| INS | Independent Novel Study
| Others |
| INS | Indian Naval Service
| Others |
| INS | Indian Naval Ship
| Others |
| INS | Indian Navy Ship
| Others |
| INS | Indian newspaper society
| Others |
| INS | Indoor Navigation System
| Others |
| INS | Inelastic Neutron Scattering
| Others |
| INS | Inertial Navigation Set
| Others |
| INS | Inertial Navigation System
| Others |
| INS | Inertial Navigation Systems
| Others |
| INS | Inertial Navigational System
| Others |
| INS | Inevitably No Service
| Others |
| INS | Information Network Services
| Others |
| INS | Information Network System
| Others |
| INS | Infusion Nurses Society
| Others |
| INS | Inland Seas
| Others |
| INS | Inland Steel (now ISPX - ISPAT Inland, Inc.)
| Others |
| INS | Input Stream
| Others |
| INS | Input String
| Others |
| INS | Input String from Port
| Others |
| INS | Insert
| Others |
| INS | Insert Code
| Others |
| INS | INSertion burn
| Others |
| Ins | Install
| Others |
| INS | Install Shield
| Others |
| INS | Installation Script
| Others |
| INS | Institute for Nuclear Study
| Others |
| INS | Institute of Nature Study
| Others |
| INS | Institutul National de Statistica
| Others |
| INS | Instructional Netware System
| Others |
| INS | Instrument Music File
| Others |
| INS | Insulin
| Others |
| INS | Integrated Navigation System
| Others |
| INS | Integrated Notification System
| Others |
| INS | Intelligent Network Server
| Others |
| INS | Intelligent Network Services
| Others |
| INS | Intentional Naming System
| Others |
| INS | Inter-station Noise Suppression
| Others |
| INS | Interchangable-Substitute Item
| Others |
| INS | Interesting Non-Specific
| Others |
| INS | Internal Navigation System
| Others |
| INS | Internal Nonhostile Structured
| Others |
| INS | International Net Settlement Service
| Others |
| INS | International Network Services
| Others |
| INS | International Neuroethics Society
| Others |
| INS | International Neuromodulation Society
| Others |
| INS | International Neuropsychological Society
| Others |
| INS | International News Service
| Others |
| INS | Internet Communication Settings
| Others |
| INS | Internet Naming Service
| Others |
| INS | Internet Sign-Up
| Others |
| INS | Internet, Networking & Security
| Others |
| INS | Interoperable Naming Server
| Others |
| INS | Interoperable Naming Service
| Others |
| INS | Iodine Number Saponification
| Others |
| INS | Ion-Neutralization Spectroscopy
| Others |
| INS | Iowa Network Services
| Others |
| INS | Israeli Navy Ship
| Others |
| INS | It's Never Simple
| Others |
| INS | Microsoft Internet Information Server InterNet communications Settings
| Others |
| INS | WordPerfect Datafile
| Others |