Ernst Münch

{{about|the German plant physiologist|the French conductor and organist|Ernst Münch (musician)}}

{{Infobox scientist

|name = Ernst Münch

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|birth_date = 26 November 1876

|birth_place = Ruchheim

|death_date = 9 October 1946 (aged 69)

|death_place = Lechbruck

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|citizenship = German

|nationality = German

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|field = Botany

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|doctoral_advisor = Karl von Tubeuf

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|known_for = Pressure flow hypothesis

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Ernst Münch (26 November 1876 – 9 October 1946) was a German plant physiologist who proposed the pressure flow hypothesis in 1930.{{cite journal |last=Münch |first=Ernst |year=1930 |title=Die Stoffbewegungen in der Pflanze |journal=Verlag von Gustav Fischer, Jena |pages=234}}

He studied in Aschaffenburg, and then in Munich with Robert Hartig. He worked in a number of fields including forest pathology, resin production, and fungi. He is best known for the phloem pressure flow hypothesis.