Namesakes
Notable Artists:
1 painter/sculptor
Amedeo Modigliani 1884-1920 
Notable Scientists and Inventors:
1 chemist
Amedeo Avogadro 1776-1856
Olympic Medalists:
1 gold, 1 gold/bronze
(gold) Amedeo Ambron 1960 water polo
(gold/bronze) Amedeo Pomilio 1992; 1996 water polo
Other Royalty:
1 prince
Vittorio Emanuele of Savoy (middle name Amedeo) 1937-1946 Italy
Spanish Kings and Queens:
1 king
King Amadeo I of Savoy (a.k.a. Amedeo) 1870-1873