INIS may refer to:
Ennis, a town in County Clare, Ireland (Irish name: Inis) International Nuclear Information System, a collection of nuclear science information Iraqi National Intelligence Service iNiS Corporation, a Japanese video game developer Institut national de l'image et du son, a training institute in Montreal, Canada Irish Naturalisation and Immigration Service, an agency of the Irish government INIS character set, a subset of ASCII
See also
Innis (disambiguation) INI (disambiguation)