Count Leonardo Vitetti (15 December 1895 – 14 May 1973) was an Italian diplomat who served as a delegate to the United Nations from 1956 to 1958.

[1] Born in 1895, Vitetti was educated at the Royal University in Rome, where he received a doctorate in law.

By this time, he was capable of speaking English to a professional level.

[2] Vitetti married Natalie Mai Coe, the only daughter of William Robertson Coe and his second wife, Mai Huttleston Rogers, on May 19, 1934.

The New York Times described him as "a learned student of American history, & well-known for his work in the field of medieval Italian poetry".