The women's 800 metres at the 2023 World Athletics Championships was held at the National Athletics Centre in Budapest from 23 to 27 August 2023.

Isabelle Boffey is a British middle-distance runner. She was the 2023, 2025 and 2026 British indoor champion in the 800 m and she competed at the 2023 World Championships. Her 800 m personal best of 1