Ostro (disambiguation)
Ostro can refer to:
- Ostro, the traditional Italian name for a southerly wind
- Steven J. Ostro, American astronomer
- Paul Fidrmuc codenamed Ostro, a Lisbon-based Nazi spy
- 3169 Ostro, an asteroid named for Steven J. Ostro
- Hans Christian Ostrø, a Norwegian who was kidnapped and killed in Jammu and Kashmir in 1995
- Birdo, the Mario character who was named Ostro in Super Mario Bros. 2