Osada can refer to:
- Osada, Masovian Voivodeship, a village in the administrative district of Gmina Gostynin in Poland
- Osada (software), see comparison of software and protocols for distributed social networking
- Juri Osada, a Japanese figure skater
- Kenichi Osada, Japanese engineer
- Michiyasu Osada (b. 1978), a Japanese football player
- Shuichiro Osada (b. 1980), a Japanese baseball player
- Stanisław Osada (1869–1934), a Polish nationalist and author
- Yukiko Osada (b. 1981), a retired Japanese swimmer