Sanni Maija Franssi (born 19 March 1995) is a Finnish professional footballer who plays as a forward for Spanish Primera División club Real Sociedad and the Finland women's national team.

[4] In 2016 Franssi was named Naisten Liiga Player of the Season after hitting 20 league goals for her club, PK-35.

[18] In December 2021 Franssi was playing for Real Sociedad of Spain's Primera División but was reported to be attracting transfer interest from multiple clubs in England's FA Women's Super League.

[20] Franssi played her first senior international for Finland women's national team in February 2015 against Sweden.

[21] She scored her first senior international goal in a 3–2 UEFA Women's Euro 2017 qualifying defeat by Portugal on 16 September 2016.