Udo Birnbaum

{{short description|Austrian modern pentathlete and fencer}}

{{Use dmy dates|date=January 2021}}

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| name = Udo Birnbaum

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| birth_date = {{birth date and age|1937|2|8|df=yes}}

| birth_place = Niederösterreich, Austria

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| sport = Modern pentathlon, fencing

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Udo Birnbaum (born 8 February 1937) is an Austrian modern pentathlete and fencer. He competed at the 1960, 1964 and 1968 Summer Olympics.{{cite web |url=https://www.sports-reference.com/olympics/athletes/bi/udo-birnbaum-1.html |archive-url=https://web.archive.org/web/20200417230435/https://www.sports-reference.com/olympics/athletes/bi/udo-birnbaum-1.html |url-status=dead |archive-date=17 April 2020 |title=Udo Birnbaum Olympic Results |access-date=11 December 2010 |work=sports-reference.com}} His son, Axel Birnbaum, fenced at the 1988 Summer Olympics.{{cite web |url=https://www.sports-reference.com/olympics/athletes/bi/axel-birnbaum-1.html |archive-url=https://web.archive.org/web/20200417200751/https://www.sports-reference.com/olympics/athletes/bi/axel-birnbaum-1.html |url-status=dead |archive-date=17 April 2020 |title=Axel Birnbaum Olympic Results |access-date=16 July 2011 |work=sports-reference.com}}