![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up fortissimo in Wiktionary, the free dictionary.
Fortissimo is a term in music dynamics meaning "to be played very loudly."
Fortissimo may also refer to:
- Fortissimo Records, a records label
- Fortissimo Films, a distribution and production company that focuses on independent and Asian cinema
- Fortissimo space, a concept in topology
- "Fortissimo" (song), a 1966 song of Rita Pavone