Katrín Jónsdóttir (born 31 May 1977) is an Icelandic former football player. Katrín was captain of Iceland's national team and competed at the 2009 and 2013 editions of the UEFA Women's Championship. She most recently played for Umeå IK in Sweden's Damallsvenskan at club level. During her time in Norway playing for Kolbotn, she finished her medical studies and became a practising physician.