| Erla Steina Arnardóttir | |
| Fullname: | Erla Steina Arnardóttir |
| Birth Date: | 18 May 1983 |
| Birth Place: | Iceland |
| Position: | Midfielder |
| Years1: | 2002 |
| Years2: | 2003–2004 |
| Years3: | 2004 |
| Years4: | 2005–2006 |
| Years5: | 2007 |
| Years6: | 2007–2011 |
| Clubs6: | Kristianstads DFF |
| Caps1: | 12 |
| Goals1: | 7 |
| Nationalyears1: | 1999–2000 |
| Nationalyears2: | 2002–2006 |
| Nationalyears3: | 2004–2009 |
| Nationalteam3: | Iceland |
| Nationalcaps1: | 2 |
| Nationalcaps2: | 13 |
| Nationalcaps3: | 40 |
| Nationalgoals1: | 0 |
| Nationalgoals2: | 1 |
| Nationalgoals3: | 2 |
| Pcupdate: | 16 August 2009 |
| Ntupdate: | 24 October 2009 |
Erla Steina Arnardóttir (born 16 May 1983) is a retired[1] Icelandic footballer who last played for Swedish Damallsvenskan club Kristianstads DFF. Erla Steina was part of Iceland's national team and competed in UEFA Women's Euro 2009. She played one season in the W-League with Jersey Sky Blue.