Hans Ziglarski (Polish: Jan Zyglarski, October 16, 1905 in Bialystok, Russian Empire – February 12, 1975) was a Polish-German boxer who competed in the 1928 Summer Olympics and in the 1932 Summer Olympics.
In 1928 he lost his first fight against Vince Glionna and was eliminated in the first round of the bantamweight competition.
Four years later he won the silver medal in the bantamweight class after losing the final against Horace Gwynne.
After World War II, Ziglarski went to Tehran and coached the Iranian boxer Emmanuel Agassi, the father of tennis player Andre Agassi.