Uno Naissoo (born 25 March 1928, Viljandi – 5 January 1980, Tallinn) was an Estonian composer[1] and jazz musician.
[2] Naissoo then taught music theory subjects at Georg Ots Tallinn Music School from 1952 to 1980.
[2] He has also directed several ensembles, including Swing Club (1947–1957), Rütmikud (1948–1950).
[2] Naissoo Unn has been a member of Estonian Composers' Union since 1954.
[2] His son is pianist and composer Tõnu Naissoo.