Jonathan Sacoor (born 1 September 1999) is a Belgian sprinter specialising in the 400 metres.

He then followed up this performance with a gold in the 4 × 400 metres relay at the 2018 European Athletics Championships He was a member of the University of Tennessee track and field team from 2019 to 2021.

[4] Later that same year, he was on the Belgian men's 4 x 400 metres relay team that won the gold medal at the European Athletics Championships[5] and he ran a personal best in the final of the individual 400 metres, finishing 4th and posting for the first time in his career a sub 45 seconds.

[6] At the 2024 Summer Olympics, he ran the heats and finals of the mixed and men's 4 × 400 metres relay, finishing 4th in both.

His father is Mozambican, of Portuguese and Indian descent, his mother is Dutch.