Constantin Antoniade (1880–1954) was a Romanian jurist, writer, historian, philosopher and diplomat of ethnic Greek heritage. As a historian he was a concerned mainly with the Renaissance. He also translated works of John Ruskin and Thomas Carlyle into Romanian. In 1948, Constantin Antoniade served as member of the Directing Committee of the Association for the Help of Romanian Refugees , created in Paris founded by Nicholas Caranfil as a representative of the Free Romanian Red Cross. The other members of the committee were Raoul Bossy, Mihai Răuț and Dan Geblescu.