Ciriaco is a male given name in Italian () and Spanish (). In Portuguese, it's spelled CirÃÂaco ().
It derives from the Greek given name ÃÂàÃÂùñúÃÂà(also ÃÂàÃÂùìúÿÃÂ) which means of the Lord or lordly; from the Greek kÃÂÃÂùÿÃÂ, kyrios: lord. Thus it is equivalent in meaning to names like Dominic, Dominicus and Domenico.
It may refer to: