Heinonen
Heinonen is a Finnish surname, most prevalent in Southwest Finland. Notable people with the surname include:
- Kaarlo Heinonen, Finnish politician
- Vappu Heinonen Finnish social worker and politician
- Aarre Heinonen, painter and professor
- Veikko Heinonen, Finnish ski jumper
- Raimo Heinonen, Finnish gymnast
- Olli Heinonen, Finnish nuclear expert
- Olli-Pekka Heinonen, Finnish politician
- Timo Heinonen, Finnish politician
- Marjut Heinonen, Finnish sport shooter
- Eero Heinonen, Finnish bassist
- Petri Heinonen, Finnish basketball player
- Osku Heinonen, Finnish basketball player
