Johan II may refer to:
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Johan II, king of Sweden (1455–1513), Danish king who became king of Sweden during the Kalmar union 1497–1501
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Johan II of East Frisia
Count Johan II of East Frisia (29 September 1538, Aurich – 29 September 1591, Stickhausen Castle) was a member of the House of Cirksena and from 1561 until his death in 1591 co-regent of the county of East Frisia. He ruled jointly with h ...
(1538–1591)
See also
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Johann II, Prince of Liechtenstein
Johann II (Johann Maria Franz Placidus; 5 October 1840 – 11 February 1929), nicknamed the Good (german: Johann II. der Gute), was Prince of Liechtenstein from 12 November 1858 until his death in 1929. His reign of 70 years and 91 days is the th ...
{{hndis, Johan 02
de:Liste der Herrscher namens Johann#Johann II.