Found 2 abbreviations in 2 groups
| NaN: Meaning | Category |
| NaN | Not A Number (computing) | Acronym |
| NaN | Not a Number | computing |
Abbreviations similar to nan
- NAM - Namibia (ISO 3166 trigram)
- NIIN - National Item Identification Number
- NIMA - National Imagery and Mapping Agency (became NGA)
- NiMH - nickel metal hydride ("Ni" is the chemical symbol for nickel)
- NIN - Nine Inch Nails (band)
- NOM - Novus Ordo Missae or New Ordinary of the Mass (sometimes abbreviated to simply "NO")
- NOME - Not on Mars Either
- NWHN - U.S. National Women's Health Network
- NWOAHM - New Wave of American Heavy Metal
- NIM - Diori Hamani International Airport
- NYM - Nadym Airport
- NUN - NOLF Saufley
- NEN - NOLF Whitehouse
- NAMN - (organization) North American Meteor Network
