A tantō is a type of knife in Japanese martial arts.
Tantou may also refer to:
Towns in China Tantou, Longhui (滩头镇), in Longhui County Tantou, Zhejiang (坦头镇), in Tiantai County
Chinese towns written as 潭头镇 Tantou, Changle, Fujian Tantou, Fu'an, Fujian Tantou, Guangdong, in Gaozhou Tantou, Henan, in Luanchuan County
Townships in China Tantou Township, Guangxi (潭头乡), in Rong'an County Tantou Township, Jiangxi (潭头乡), in Yongfeng County Tantou Township, Yunnan (滩头乡), in Yanjin County