Sanni Franssi is a professional footballer from FIN and is currently 32 years old. He is on the books of London City Lionesses Women and wears shirt number 15. At international level, he features for Finland Women. His main role on the pitch is Forward. He measures 174cm in height and weighs 58kg.

During the English FA Women's Super League 2025-2026 campaign, Sanni Franssi made 16 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 4 shots, with 1 on target.