Sanni Franssi is a 31-year-old professional football player from FIN. He currently plays for London City Lionesses Women, wearing the number 15 shirt. At the international level, he represents Finland Women. He plays primarily as a Forward. He stands at 174cm tall and weighs 58kg.

In the English FA Women's Super League 2025-2026 season, Sanni Franssi scored 0 goals and provided 0 assists across 16 appearances, averaging 0 goals per game with 4 shots attempted and 1 on target.