C50
- Beechcraft C-50 Twin Bonanza
- Bobcat (microarchitecture)
- Breast cancer
- C-50 (narrow-gauge locomotive)
- Caldwell 50
- Chevrolet C-50
- Chrysler Imperial
- Colnago
- Courage C50
- Douglas C-50
- Giuoco Piano
- Great Wall Voleex C50
- Honda C50
- JNR Class C50
- Recruiting of Indigenous Workers Convention, 1936 (shelved)
- Suzuki Boulevard C50
- Wordtank