Roisin may refer to:
*
Róisín, Roisin or Rosheen, an Irish female given name (including a list of persons with the name)
*
"Róisín Dubh" (song), an Irish political song
* "Róisín Dubh", a track from the Thin Lizzy album ''
Black Rose: A Rock Legend''
*
Róisín Dubh (music venue), Galway, Ireland
*
''LÉ Róisín'' (P51), a ship in the Irish Naval Service
*
Roisin (Honnelles), a village in the Belgian municipality of Honnelles
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