Wilhelm Fischer may refer to:
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Wilhelm Fischer (boxer)
Wilhelm "Willi" Fischer (born 26 August 1972, in Frankfurt am Main) is a German former professional boxer. As an amateur he competed at the 1992 Summer Olympics. He challenged once for the WBO heavyweight title in 1998. He retired with a record of ...
(born 1972), "Willi", German boxer
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Wilhelm Fischer (musicologist) (1886–1962), Austrian musicologist
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Wilhelm Fischer (politician) (1904–1951), "Willy", German politician
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Willi Fischer (politician) (1943–2008)
{{hndis, Fischer, Wilhelm