NN, Nn, or nn may refer to:
Nnamdi Asomugha (/ˈnɑːmdi ˈɑːsəmwɑː/ NAHM-dee AH-səm-wah; born July 6, 1981) is a former American football cornerback.
In United States real estate business, "net lease" is a term used for an arrangement in which the tenant or lessee is responsible for paying, in addition to base rent, some or all of the expenses related to real-estate ownership.
Nicotine-derived nitrosamine ketone (NNK), also known as 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone, is one of the key tobacco-specific nitrosamines which play an important role in carcinogenesis.
Nwannekaenyi "Nnamdi" Kenny Okwu Kanu (born 1970s) is a political activist based in the United Kingdom who was arrested in Lagos on 14 October, 2015 by President Muhammadu Buhari-led government and has been held in prison since then despite various court orders that ruled for his release.