Hanna-Maria Seppälä, Finnish swimmer
Hanna-Maria Hintsa (née Seppälä born 13 December 1984) is a Finnish freestyle swimmer, who won the world title in the 100 m freestyle at the 2003 World Aquatics Championships in Barcelona, Spain.

Hanna-Maria started swimming at age five and made the Finnish national junior team by age 10. In 1999 she won the bronze medal in the European Junior Championships in the 50 m freestyle event. To date she has broken 100 Finnish national records. Hanna-Maria's manager is Finnish Sports Management Agency, SportElite.