Meaning and history
From Japanese 菜 (na) meaning “vegetables, greens” and 月 (tsuki) meaning “moon,” or alternatively from 夏 (natsu) meaning “summer” and 希 (ki) meaning “hope,” though other kanji combinations can also be used for this name.
In 2012, 7 babies were recorded with the name Natsuki, ranking #13,483 among girls.