Tadao \t(a)-dao\ as a boy's name is pronounced tah-dah-OH. It is of Japanese origin, and the meaning of Tadao is "complacent; satisfied".

Baby names that sound like Tadao are Tadeo and Tadio. Other similar baby names are Adao, Taso, Jada, Tad, Tadd, Tadzio, Taddeo, Tadhg, Tadi, Takeo, Taro, Tasso, Tauro and Tavio.