Tadzio \t(a)-dzio, tad-zio\ as a boy's name is a variant of Tadeo (Spanish) and Thaddeus (Aramaic), and the meaning of Tadzio is "heart".

The baby name Tadzio sounds like Thadeus, Thaddius, Thaddaos and Thaddaios. Other similar baby names are Tadio, Tadao, Taddeo and Tadi.