Porin may refer to:
*
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 that ...
, a transmembrane protein
*
''Porin'' (opera), a Croatian grand opera, first performed in 1897
*
Porin (music award)
Porin is a Croatian music award founded by Croatian Phonographic Association, Croatian Musicians Union, Croatian Radiotelevision and Croatian Composers' Society.
Special awards Lifetime Achievement Award
The following individuals have received Li ...
, Croatian music industry award, first awarded in 1994 and named after the opera
{{disambig