Gaston Alibert (February 22, 1878 in Paris – December 26, 1917) was a French fencer and olympic champion in épée competition.
He received a gold medal in épée individual and a gold medal in épée team at the 1908 Summer Olympics in London.
Eight years before, Alibert already participated in the 1900 Summer Olympics in Paris placing seventh in the épée individual event.
He contacted tuberculosis while at the front in World War I.