Nuannuan District (Chinese: 暖暖區; pinyin: Nuǎnnuǎn Qū; Pe̍h-ōe-jī: Loán-loán-khu), also Nuan Nuan,[3] is a district of the city of Keelung, Taiwan.

During the period of Japanese rule, Shichitoku village (七堵庄) included modern day Nuannuan and Qidu District and was governed under Kīrun District (基隆郡) of Taihoku Prefecture.

The district consists of thirteen urban villages:[2][5][6][7][8]