Susannah Leydon-Davis (born 5 February 1992) is a New Zealand badminton player.

[3] Originally from Hamilton, Leydon-Davis attended Hillcrest High School and was Sports Captain in 2009.

Susannah competes in the mixed doubles with her brother Oliver, and they have actively been New Zealand representatives.

[4] She and her brother, won the mixed doubles gold medal at the 2014 Oceania Badminton Championships.

[5] Teamed up with Kevin Dennerly-Minturn she won the Waikato International tournament in the mixed doubles event.