Costanzo (the Italian form of the Latin Constantius) may refer to:
As a last name:
As a first name:
In Christianity: San Costanzo can refer to the numerous saints named Constantius
Places:
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| This page or section lists people with the surname Costanzo. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. |