Roisin
Roisin stands for:
- Róisín , Roisin or Rosheen, Irish female first name, see there also namesake women
- Róisín Dubh (song) , a 16th century Irish political song
- Róisín Dubh , a song on the album Black Rose: A Rock Legend by Thin Lizzy
- LÉ Róisín (P51) , a patrol boat for the Irish Navy
- Roisin, a district of the Belgian municipality of Honnelles