Johann "Hans" Strnad (~1893 Wien – ~1950) was an Austrian football player and manager.
Born in Vienna, while playing with Wiener Sport-Club, he played one match for the Austrian national team. It was on April 14, 1918, in a match in Budapest against Hungary.
Johann Strnad later became a coach. He coached 1.FC Katowice (1927–1928), SK Jugoslavija between 1928 and 1929, Czarni Lwów (1930–1931) and Hasmonea Lwów (1930–1931). By the time in Belgrad he was replaced by Dragan Jovanović, he was receiving a salary of 6.000 Dinars. For a short period between 18 October 1930 and 18 February 1931, he coached Građanski Zagreb. In 1933 he returned to Austria and became coach of his former club Wiener Sport-Club which he will coach in two periods, between 1933 and 1934, and 1936 and 1937. In 1947 coached Wacker Wien.
He also coached another Yugoslav club, HAŠK in the 1932–33 Yugoslav Football Championship.