Seika Aoyama (青山聖佳, Aoyama Seika; born 1 May 1996) is a Japanese sprinter specialising in the 400 metres. She competed in the 4 × 400 metres relay at the 2015 World Championships in Beijing and earlier won a silver medal in this event at the 2014 Asian Games.
Source: “Seika Aoyama”, English Wikipedia (CC BY-SA 4.0), excerpt