| Katri Mattsson | |
| Fullname: | Katri Susanna Mattsson[1] |
| Birth Name: | Katri Susanna Nokso-Koivisto |
| Birth Date: | 1982 11, df=yes |
| Birth Place: | Kauhajoki, Finland |
| Height: | 1.65m (05.41feet) |
| Position: | Midfielder |
| Collegeyears1: | 2002–2003 |
| Collegecaps1: | 39 |
| Collegegoals1: | 14 |
| Collegeyears2: | 2004–2005 |
| Collegecaps2: | 37 |
| Collegegoals2: | 16 |
| Years1: | 1998–2001 |
| Years3: | 2005–2006 |
| Years4: | 2007–2008 |
| Years5: | 2009–2011 |
| Years6: | 2012 |
| Years7: | 2013 |
| Years8: | 2014 |
| Years9: | 2015 |
| Clubs1: | United Pietarsaari |
| Clubs3: | United Pietarsaari |
| Clubs4: | Bälinge |
| Clubs5: | Wolfsburg |
| Clubs6: | Jitex |
| Clubs7: | LSK Kvinner FK |
| Clubs8: | PK-35 Vantaa |
| Clubs9: | FC Ilves |
| Caps5: | 9 |
| Caps6: | 18 |
| Caps7: | 20 |
| Caps8: | 23 |
| Caps9: | 23 |
| Goals5: | 0 |
| Goals6: | 1 |
| Goals7: | 0 |
| Goals8: | 3 |
| Goals9: | 3 |
| Nationalyears1: | 1999–2015 |
| Nationalteam1: | Finland |
| Nationalcaps1: | 100 |
| Nationalgoals1: | 2 |
| Ntupdate: | 22:52, 21 January 2016 (UTC) |
Katri Susanna Mattsson (née Nokso-Koivisto; born 22 November 1982) is a Finnish former football midfielder, who most recently played for PK-35 Vantaa. She is currently the vice-president of Football Association of Finland.
She previously played for LSK Kvinner FK of the Norwegian Toppserien. Before moving to Norway she played the 2012 season with Jitex BK in the Swedish Damallsvenskan.[2] Mattsson previously played for United Pietarsaari in the Naisten Liiga, Florida Atlantic Owls in the NCAA,[3] Bälinge IF in the Damallsvenskan,[4] and VfL Wolfsburg in the Bundesliga.
A member of the Finnish national team since 1999,[5] she played in the 2009 European Championship.[6] In June 2013, Mattsson was named in national coach Andrée Jeglertz's Finland squad for UEFA Women's Euro 2013.[7] In January 2016, Mattsson announced her retirement from football. She had recently collected her hundredth cap for the national team, but had been plagued by pain in her knees.[8]