Porin may refer to:
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Porin (protein)
Porins are beta barrel proteins that cross a cellular membrane and act as a pore, through which molecules can diffuse. Unlike other membrane transport proteins, porins are large enough to allow passive diffusion, i.e., they act as channels ...
, a transmembrane protein
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''Porin'' (opera), a Croatian grand opera, first performed in 1897
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Porin (music award)
Porin is a Croatia
Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the ...
, Croatian music industry award, first awarded in 1994 and named after the opera
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Porin (ruler), the name of an early Croatian medieval leader
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