Petre Antonescu (1891–1957) was a Romanian Brigadier-General during World War II. In 1941, he became Head General-Secretary of the Department Ministry of Defense. He served as the Chief of Staff, 4th Army, from 1943 to 1944. From 1944 to 1945, he was the General Office Commanding the 1st Guard Division, the Artillery 4th Army, and finally the 21st Division. He went into reserve in 1945.