Hannikainen
Hannikainen is a Finnish surname. Notable people with the surname include:
Hannikainen family of musicians
- Alli Hannikainen, Finnish choir director and singing teacher
- Ann-Elise Hannikainen, Finnish composer
- Arvo Hannikainen, Finnish violinist and composer
- Väinö Hannikainen, Finnish harpist and composer
- Ilmari Hannikainen, Finnish pianist and composer
- Pekka Juhani Hannikainen, Finnish composer
- Tauno Hannikainen, Finnish cellist and conductor
- Tuomas Hannikainen, Finnish conductor and violinist
Others
- Pietari Hannikainen, Finnish writer and journalist
- Heikki Hannikainen, Finnish diplomat
- Markus Hännikäinen, Finnish ice hockey player