The women's 800 metres at the 2022 World Athletics Championships was held at the Hayward Field in Eugene from 21 to 24 July 2022.

The 2022 World Athletics Championships was the eighteenth edition of the World Athletics Championships. It was held at Hayward Field in Eugene, Oregon, United States, from July 15–24, 2022, with the country hosting that competition for the first time. The competition was originally scheduled for August 6–15, 2021, but it was postponed by one year due to the COVID-19 pandemic resulted a postponement and subsequent rescheduling of the 2020 Summer Olympics.