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Václav Antoš (19 January 1905 – 1978) was a Czech freestyle swimmer who competed for Czechoslovakia in the 1924 Summer Olympics and in the 1928 Summer Olympics.
In 1924 he was eliminated in the semi-finals of the 400 metre freestyle event. In the 1500 metre freestyle competition he was eliminated in the first round. He was also a member of the Czechoslovak team which qualified for the semi-finals of the 4×200 metre freestyle relay event but did not competed in that round.
Four years later he was eliminated in the first round of the 400 metre freestyle event as well as of the 1500 metre freestyle competition.