| Málfríður Erna Sigurðardóttir | |
| Birth Date: | 1984 5, df=yes |
| Birth Place: | Reykjavík, Iceland |
| Position: | Defender |
| Currentclub: | Valur |
| Clubnumber: | 44 |
| Years1: | 2000–2014 |
| Clubs1: | Valur |
| Caps1: | 157 |
| Goals1: | 23 |
| Years2: | 2015–2016 |
| Clubs2: | Breiðablik |
| Caps2: | 36 |
| Goals2: | 3 |
| Years3: | 2017– |
| Clubs3: | Valur |
| Caps3: | 36 |
| Goals3: | 3 |
| Nationalteam1: | Iceland U17 |
| Nationalyears1: | 2000–2001 |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 0 |
| Nationalteam2: | Iceland U19 |
| Nationalyears2: | 2000–2002 |
| Nationalcaps2: | 13 |
| Nationalgoals2: | 0 |
| Nationalteam3: | Iceland U21 |
| Nationalyears3: | 2002–2006 |
| Nationalcaps3: | 20 |
| Nationalgoals3: | 0 |
| Nationalteam4: | Iceland |
| Nationalyears4: | 2003– |
| Nationalcaps4: | 33 |
| Nationalgoals4: | 2 |
Málfríður Erna Sigurðardóttir (born 30 May 1984) is an Icelandic footballer who plays as a defender for Valur in the Úrvalsdeild kvenna the top-tier women's football league in Iceland.
Málfríður Erna started her professional career at Valur in the top-tier women's football league in Iceland. She played for Valur for 15 years before signing with Breiðablik in 2015, where she spent two seasons. In 2017, Málfríður Erna returned to Valur.
Málfríður Erna debuted for Iceland U17 on July 3, 2000, in a match against Germany.[1] She participated in several youth competitions for Iceland U7, U20, and U21 teams.[2] On February 13, 2003, she debuted for Iceland Senior Team in a match against the United States.[3] Málfríður Erna represented Iceland in several important competitions at senior level, including the UEFA Women's Euro 2017.[4]