OSHA is the Occupational Safety and Health Administration, a federal agency of the United States that regulates workplace safety and health.

OSHA or Osha may also refer to:

Work Occupational Safety and Health Act (United States) of 1970, a federal law in the United States, the act that created the Occupational Safety and Health Administration mentioned above Occupational Safety and Health Act 1994, a national law of Malaysia Occupation Safety and Health Act (Kenya), a national law of Kenya European Agency for Safety and Health at Work, an agency of the European Union The Division of Occupational Safety and Health (DOSH) of the California Department of Industrial Relations, a California state government agency better known as Cal/OSHA

Other Osha River, a river in Russia Osha (herb), a perennial herb Osha (A Song of Ice and Fire), a character in George R. R. Martin's fictional A Song of Ice and Fire fantasy series Osha, characters from the World of Warcraft video games Osha Gray Davidson, an American writer and artist

See also Occupational Health and Safety Act (disambiguation) Usha, Israel, a kibbutz in Israel Osho (disambiguation)