Belgium at the 2019 World Athletics Championships

Belgium competed at the 2019 World Championships in Athletics in Doha, Qatar from 27 September to 6 October 2019. Belgium has entered 29 athletes. The country finished in 24th place in the medal table.

Medalists
* – Indicates the athlete competed in preliminaries but not the final

Entrants

 * including alternates
 * Key
 * Note–Ranks given for track events are within the athlete's heat only
 * Q = Qualified for the next round
 * q = Qualified for the next round as a fastest loser or, in field events, by position without achieving the qualifying target
 * NR = National record
 * CHB = Championship best
 * WL = World Leading
 * PB = Personal best
 * SB = Season's best
 * N/A = Round not applicable for the event
 * Bye = Athlete not required to compete in round
 * DNS = Did not start
 * NM = No valid trial recorded

Men

 * Track and road events


 * Field events


 * Combined events – Decathlon

Women

 * Track and road events


 * Field events


 * Combined events – Heptathlon

Mixed

 * Track and road events