N6 may refer to: Roads N6 (Bangladesh) N6 road (Belgium), a National Road in Belgium connecting Brussels over Halle, Soignies, and Mons N6 road (France) N6 road (Gabon) N6 road (Ghana) N6 road (Ireland) N6 road (Luxembourg) N6 road (Senegal) N6 road (South Africa), a national road connecting East London and Bloemfontein N6 road (Switzerland)

Other N6 (Long Island bus) N6, a postcode district in the N postcode area N6, TSMC's 6 nm semiconductor fabrication node SP&S Class N-6, a steam locomotives class USS N-6 (SS-58), a 1917 N-class coastal defense submarine of the United States Navy Neapolitan sixth, a chord in music N6, the chemical formula of hexazine, a hypothetical allotrope of nitrogen N6, the chemical formula of hexanitrogen, an allotrope of nitrogen reported in 2025 n−6 or omega−6 fatty acid LNER Class N6, a class of British steam locomotives

See also 6N (disambiguation)

N06 may refer to: ATC code N06 Psychoanaleptics, a subgroup of the Anatomical Therapeutic Chemical Classification System Isolated proteinuria with specified morphological lesion ICD-10 code Laurel Airport (Delaware), FAA Location Identifier: N06 N°6, a shortening for Number Six