OSHA (disambiguation)
- California Department of Industrial Relations
- California Division of Occupational Safety and Health
- European Agency for Safety and Health at Work
- OSHA
- Occupational Health and Safety Act (disambiguation)
- Occupational Safety and Health Act (United States)
- Occupational Safety and Health Act 1994
- Osha (A Song of Ice and Fire)
- Osha (herb)
- Osha Gray Davidson
- Osha River
- Osho (disambiguation)
- Usha, Israel
- World of Warcraft