| Ragnhildur Rósa Guðmundsdóttir | |
| Nationality: | Icelandic |
| Birth Date: | 20 June 1984 |
| Birth Place: | Reykjavík, Iceland |
| Height: | 175 cm |
| Position: | Playmaker |
| Nationalteam1: | Iceland |
| Nationalcaps1: | 67[1] |
| Nationalgoals1: | 43 |
| Ntupdate: | 26 February 2018 |
Ragnhildur Rósa Guðmundsdóttir (born 20 July 1984) is an Icelandic former team handball player. She played on the Icelandic national team and participated at the 2011 World Women's Handball Championship in Brazil.[2]