Johannes Dietrich

{{short description|German swimmer|bot=PearBOT 5}}

{{Infobox sportsperson

|image=

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|caption=

|birth_date=10 February 1985

|birth_place=Berlin, Germany

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| weight = {{convert|99|kg|lb|abbr=on}}

|sport=Swimming

|club= SC Wiesbaden 1911

| medaltemplates =

{{MedalCountry | {{GER}} }}

{{MedalCompetition|European Championships (SC)}}

{{MedalGold|2005 Trieste |4×50 m medley}}

{{MedalGold|2007 Debrecen |4×50 m medley}}

{{MedalBronze|2007 Debrecen |50 m butterfly}}

{{MedalBronze|2007 Debrecen |4×50 m freestyle}}

{{MedalSilver|2008 Rijeka |4×50 m medley}}

{{MedalGold|2009 Istanbul |50 m butterfly}}

{{MedalSilver|2009 Istanbul |4×50 m medley}}

}}

Johannes Dietrich (born 10 February 1985) is a German swimmer who won seven medals at European Short Course Swimming Championships in 2005–2009.