- Source: Hans Maier (rower)
Johann Adolf Friedrich Maier (13 June 1909 – 6 March 1943) was a German rower who competed in three Olympic games from 1928 to 1936. In Los Angeles, he won a silver medal, along with Karl Aletter, Walter Flinsch and Ernst Gaber in the coxless four. In Berlin, he won a gold medal, along with Paul Söllner, Walter Volle, Fritz Bauer and Ernst Gaber in the coxed four. He was killed during World War II while serving in North Africa. Gustav Maier was his elder brother with whom he had competed in the 1928 Olympics.