Josef Silný (23 January 1902 – 18 May 1981) was a Czech footballer who played as a forward. Silný played for Hanácká Slavia Kroměříž, SK Slavia Praha (1923–1926), AC Sparta Prague (1926–1933), SC Nîmois (1933–1934) and Bohemians Praha (1934–1935). He played for Czechoslovakia national team (50 matches and 28 goals), and was a participant at the 1934 FIFA World Cup, where he played in a match against Romania.