Great Britain and Northern Ireland at the 2023 World Athletics Championships

Great Britain and Northern Ireland competed at the 2023 World Athletics Championships in Budapest, Hungary, from 19 to 27 August 2023.

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

Results
Great Britain and Northern Ireland entered 55 athletes.


 * Key
 * 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
 * AR = Area record
 * NR = National record
 * PB = Personal best
 * SB = Season best
 * N/A = Round not applicable for the event

Men

 * Track and road events


 * Field events

Women

 * Track and road events


 * Field events


 * Combined events – Heptathlon

Mixed

 * Track events