This is a list of surnames in which the usage is Japanese; and the first letter is N.
Nakai 中井, なかい JapaneseFrom Japanese
中 (naka) meaning "middle" and
井 (i) meaning "well, mine shaft, pit".
Nakano 中野, なかの JapaneseFrom Japanese
中 (naka) meaning "middle" and
野 (no) meaning "field, wilderness".
Noguchi 野口, のぐち JapaneseFrom Japanese
野 (no) meaning "field, wilderness" and
口 (kuchi) meaning "mouth, entrance".
Nozawa 野沢, 野澤, のざわ JapaneseFrom Japanese
野 (no) meaning "field, wilderness" and
沢 or 澤 (sawa) meaning "marsh".