Siegfried Wortmann (born Austria; died United States) was an early twentieth century Austrian football (soccer) inside forward who played professionally in Austria and the United States. He also earned one cap, scoring a goal, with the Austria national team in 1926.Wortmann began his career with Hakoah Vienna as a youth player, but began seeing first team time during the 1923-1924 season. In 1924, he became a first team regular as Hakaoh won the 1925 Austrian League title.