Lewis Davey (born 24 October 2000) is a British athlete who competes in the 400 metres.

[6] He was selected for the 2023 World Athletics Championships in Budapest in August 2023 and competed in the mixed 4 × 400 m relay.

He won a silver medal as the British team set a new national record time of 3:11.06.

[7] In April 2024, he was selected as part of the British team for the 2024 World Athletics Relays in Nassau, Bahamas.

[10] In July, Davey was named in the Great Britain 4x400 metres relay squad for the 2024 Summer Olympics.