Great Britain and Northern Ireland at the 2015 World Championships in Athletics

Great Britain and Northern Ireland (often referred to as Great Britain) competed at the 2015 World Championships in Athletics in Beijing, China, from 22–30 August 2015. This was their most successful championships to date.

Medallists
The following British competitors won medals at the Championships

Men

 * Track and road events


 * Field events

Women

 * Track and road events


 * Field events


 * Combined events – Heptathlon
 * 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
 * PB = Personal best
 * N/A = Round not applicable for the event
 * Bye = Athlete not required to compete in round