Antoniu

Antoniu is a given name and a surname. Notable people with this name include the following:

Given name

 * Antoniu Buci (born 1990), Romanian weightlifter
 * Antoniu Vasile (born 1942), Romanian boxer

Surname

 * Costache Antoniu (1900–1979), Romanian actor
 * Kristaq Antoniu, also known as Cristache Antoniu, (1907 – 1979), Romanian singer and actor