Claudiu is a Romanian male given name derived from Latin Claudius. The female form is Claudia.

Notable people with the name include:

• Claudiu Bălan, Romanian professional footballer

• Claudiu Baștea (born 1979), Romanian judoka

• Claudiu Belu (born 1993), Romanian footballer

• Claudiu Bleonț (born 1959), Romanian film and theatre actor, comedian, television celebrity, and television presenter

• Claudiu Boaru (born 1977), Romanian footballer

• Claudiu Borțoneanu (born 1999), Romanian footballer

• Claudiu Bumba (born 1994), Romanian footballer

• Claudiu Bunea (born 1981), Romanian footballer

• Claudiu Codoban (born 1988), Romanian professional footballer

• Claudiu Cornaci (born 1975), Romanian former professional footballer

• Claudiu Crăciun (born 1978), Romanian academic, activist and politician

• Claudiu David (born 1978), Romanian rally driver

• Claudiu Drăgan (born 1979), Romanian footballer

• Claudiu Dumitrescu (born 1979), Romanian footballer

• Claudiu M. Florian, Romanian writer

• Claudiu Grozea (born 1982), Romanian speed skater

• Claudiu Herea (born 1990), Romanian footballer

• Claudiu Ionescu (disambiguation), several people

• Claudiu Isopescu (1894–1956), Austro-Hungarian-born Romanian literary historian and translator

• Claudiu Juncănaru (born 1996), Romanian footballer

• Claudiu Keșerü (born 1986), Romanian footballer

• Claudiu Manda (born 1975), Romanian politician

• Claudiu Micovschi (born 1999), Romanian footballer

• Claudiu Moisie, Romanian footballer

• Claudiu Năsui (born 1985), Romanian politician

• Claudiu Negoescu, Romanian footballer

• Claudiu Niculescu (born 1976), Romanian football player and manager

• Claudiu Pamfile (born 1997), Romanian footballer

• Claudiu Pascariu (born 1988), Romanian association football player

• Claudiu Petrila (born 2000), Romanian footballer

• Claudiu Răducanu (born 1976), Romanian footballer

• Claudiu Rusu (born 1949), Romanian water polo player

• Claudiu Stan, Romanian footballer

• Claudiu Tămăduianu (born 1962), Romanian wrestler

• Claudiu Târziu (born 1973), Romanian politician and journalist

• Claudiu Teohari (born 1981), Romanian stand-up comedian

• Claudiu Tudor (born 1985), Romanian professional wrestler

• Claudiu Vaișcovici (born 1962), Romanian footballer

• Claudiu Vîlcu (born 1987), Romanian footballer

• Claudiu Voiculeț (born 1985), Romanian footballer