Salwa Eid Naser, Bahraini track and field sprinter

Salwa Eid Naser (née Ebelechukwu Agbapuonwu, born 23 May 1998) is a Nigerian-born Bahraini sprinter who specialises in the 400 metres. She is the 2019 World champion with a third fastest time in history of 48.14 seconds, becoming the youngest-ever champion in the event and also the first woman representing an Asian nation to win it at a World Championships. The mark places her only behind contested results of Marita Koch (47.60; 1985) and Jarmila Kratochvílová (47.99; 1983). At the event, at only 19, Naser was the 2017 World silver medallist. She has also won, as a member of Bahraini mixed-gender 4x400 m relay team, the 2019 World Championships bronze medal.

Eid Naser was in her signature event the 2014 Youth Olympic silver medallist and 2015 World Youth champion, before taking her first senior medal which was gold at the 2015 Military World Games. The then 18-year-old skipped the 2016 World U20 Championships, in which a winning time was 51.32 s, to compete directly with the world's best 400 m sprinters at the 2016 Rio Olympics, where she placed injured equal ninth in the semi-finals in 50.88 s. She is multiple medallist of Asian Games, Asian Championships, as well as other top-level military and pan-regional competitions, both individually and on relays. Two-time 400 m Diamond League champion. As of November 2021, she held the 8 fastest Asian results of all time, 9 marks in the top ten, and 18 in the top twenty.On 30 June 2021, it was announced that Salwa Eid Naser had been banned until February 2023 due to three whereabouts failures. She was tested negative for doping 19 times between 12 April and 24 November 2019 (no publicly available data on her out-of competition tests before/after). She was first provisionally suspended in June 2020 and then cleared by AIU Disciplinary Tribunal in October. CAS upheld appeal from WA (and WADA). It was reported that one of three panel members was against the decision.