Namibia competed at the 2019 World Athletics Championships in Doha, Qatar, from 27 September to 6 October 2019. The country's participation there marked its fifteenth appearance in the World Championships since its debut at the 1991 World Championships in Athletics. Namibia sent two athletes to the Championships, both of whom competed in the marathon events. Helalia Johannes became Namibia's first female medallist, and their first medallist in 26 years, when she won a bronze medal in the women's marathon. Tomas Hilifa Rainhold finished in 17th in the men's marathon.