Health, safety and environment (HSE) refers to a branch, or department, within a company that is responsible for the observance and protection of occupational health and safety rules and regulations along with environmental protection. Health, safety and environment (HSE) is also often referred to as environmental health and safety (EHS) or safety, health and environment (SHE).

Health, safety and environment departments are generally responsible for two objectives: Prevention of all incidents and accidents that can result from abnormal operating conditions and reduction of adverse effects that may result from normal operating conditions.