Johannes Jensen may refer to:
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Johannes V. Jensen (1873–1950), Danish author
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J. Hans D. Jensen
Johannes Hans Daniel Jensen (; 25 June 1907 – 11 February 1973) was a German nuclear physicist. During World War II, he worked on the German nuclear energy project, known as the Uranium Club, where he contributed to the separation of uranium is ...
(1907–1973), German nuclear physicist
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Johannes Jensen (aviator) (1898–1978), German World War I flying ace
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Johannes Robert Jensen (1916–1984), Danish field hockey player
{{hndis, Jensen, Johannes