Pronunciation: \c(o)-nsta-ntius, con-stan-tius\
Gender / Sex: boy
Meaning: constant, steadfast
Sounds Like: Constantino, Constantin
Similar Names: Constant, Konstantin, Constans
Constantius \c(o)-nsta-ntius, con-stan-tius\ as a boy's name is a variant of Constantine (Latin), and the meaning of Constantius is "constant, steadfast".
The baby name Constantius sounds like Constantino and Constantin. Other similar baby names are Constant, Konstantin and Constans.
Constantius is not a popular first name for men and an equally uncommon surname or last name for both men and women. (1990 U.S. Census)