name meaning: Tadeo \t(a)-deo\ as a boy's name is pronounced ta-DAY-oh. It is of Spanish origin. Variant of Thaddeus (Aramaic) "heart".
Tadeo has 2 variant forms: Taddeo and Tadzio.
Baby names that sound like Tadeo are Tadao and Tadio.
View a list of the 2 names that reference Tadeo.