Sydney Sido Siame (born 7 October 1997) is a Zambian sprinter.

[2] He competed in the 200 metres at the 2015 World Championships in Beijing without advancing from the first round.

In addition, he won a gold medal at the 2014 Summer Youth Olympics.

This would have been the first time a Zambian had broken the 10-second barrier and a highly unusual improvement of 0.34 seconds for the athlete.

[4] 1Disqualified in the semifinals 2Disqualified in the final 3Postponed from 2020 due to the COVID-19 pandemic Outdoor