Otto Andersson may refer to:
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Otto Andersson (musicologist)
Otto Emanuel Andersson (27 April 1879 – 27 December 1969) was a Finnish musicologist.
Andersson studied first at the Helsingfors musikinstitut (now the Sibelius Academy), becoming a teacher there. He studied folklore and music from 1908 onwar ...
(1879–1969), Finnish musicologist
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Isak Otto Andersson (1881–1925), Finnish politician
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Otto Andersson (Finnish politician) (born 1983), Finnish politician
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Otto Andersson (footballer) (1910–1977), Swedish footballer
{{hndis, Andersson, Otto