Olimpiu is a masculine Romanian given name. Notable people with the name include:
Olimpiu Becheș (born 1955), Romanian rugby union player Olimpiu Bucur (born 1989), Romanian footballer Olimpiu Blaj (born 1986), Romanian actor Olimpiu Marin (born 1969), Romanian sports shooter Olimpiu Moruțan (born 1999), Romanian footballer Olimpiu G. Urcan (born 1977), chess historian