Johann Blank

{{short description|German water polo player}}

{{Infobox sportsperson

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| birth_date = {{Birth date|1904|4|17}}

| birth_place = Nuremberg, German Empire

| death_date = {{Death date and age|1983|3|15|1904|4|17}}

| death_place = Ansbach, West Germany

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| sport = Water polo

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{{MedalCountry|{{flagu|Germany}}}}

{{MedalCompetition|Olympic Games}}

{{MedalGold| 1928 Amsterdam | Team competition}}

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Johann Blank (April 17, 1904 – March 15, 1983) was a German water polo player who competed in the 1928 Summer Olympics.

He was part of the German team which won the gold medal. He played one match as goalkeeper.