The men's 200 metres event at the 1990 World Junior Championships in Athletics was held in Plovdiv, Bulgaria, at Deveti Septemvri Stadium on 10 and 11 August.
11 August
Wind: -0.5 m/s
10 August
Wind: +0.6 m/s
Wind: -0.8 m/s
Wind: +0.9 m/s
10 August
Wind: +0.5 m/s
Wind: +0.6 m/s
Wind: -0.5 m/s
Wind: +0.8 m/s
Wind: -0.4 m/s
Wind: +0.4 m/s
Wind: -1.4 m/s
According to an unofficial count, 47 athletes from 38 countries participated in the event.