Brainin (Брайнин, also Brainen, Brajnin, Braynen, Breinin) is Russian -Jewish surname . It may refer to:
Boris Brainin (Sepp Österreicher, 1905–1996), Austrian poet and translator
Danny Brainin (?–), movie actor (Xtro , Yentl , Street Smart )
David Brainin (1905–1942), French painter and dancer, died in Auschwitz
Elisabeth Brainin (1949), Austrian psychoanalyst and scientific writer
Fritz (Frederick) Brainin , (1913–1992) Austrian/American poet
Grégoire Brainin , (Moineau, 1933) French poet and philosopher
Harald Brainin (1923–2006), Austrian poet and writer
Jerome (Jerry) Brainin (1916–2000), American jazz composer, the author of a song "The Night Has a Thousand Eyes"
Max Brainin (1909–2002), Austrian/American commercial graphic artist and violinist
Norbert Brainin (1923–2005), Austrian/British violinist, the founder of Amadeus Quartet
Peter Brainin (?–), American saxophonist and jazz composer
Reuben Brainin (1862–1939), Hebrew publicist, biographer and public figure
Risa Brainin (?–), American theater manager
Simon Brainin (1854–?), Russian/American physician and public figure
Teodor Brainin (1905–?), Russian movie actor, the most known movie: Benya Krik (1926)
Valeri Brainin (1948), Russian/German musicologist, music manager and poet
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