| Nina Kläy | |
| Birth Date: | 19 June 1989 |
| Nationality: | Swiss |
| Sport: | Taekwondo |
| Worlds: | 5 (2007, 2009, 2011, 2013, 2015) |
Nina Kläy (born 12 September 1989) is a Swiss taekwondo practitioner.
She won a bronze medal in lightweight at the 2013 World Taekwondo Championships, after being defeated by Kim Hwi-lang in the semifinal. She participated at the World Taekwondo Championships five times (2007, 2009, 2011, 2013, 2015). Her achievements at the European Taekwondo Championships include a gold medal in 2014, and a bronze medal in 2006.[1]