Ottavio Barbieri (30 April 1899 – 28 December 1949) was an Italian association football midfielder and manager from Genoa. As a player he was a one club man and spent his entire career at hometown side Genoa. As a manager, in 1933/1934 season he led L'Aquila Calcio, winning 1st Division Championship and bringing the team in serie B for the 1st time. Then, Barbieri worked with Atalanta in serie B since 1936 to 1938, before coming back to Genoa in 1939.
On the international level, Barbieri most notably represented Italy at the 1924 Summer Olympics.
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