Fiji at the 1984 Summer Olympics

Fiji sent a delegation to compete at the 1984 Summer Olympics in Los Angeles, United States from 28 July to 12 August 1984. This was the nation's sixth appearance at a Summer Olympic Games. Their first appearance was at the 1956 Summer Olympics in Melbourne, Australia. Fiji's delegation consisted of fourteen competitors with the most being in Athletics and Sailing with four competitors. Swimming had three, while Judo and Cycling also saw Fiji compete in those sports.

Athletics

;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

;Track events
;Combined event – Decathlon

Cycling

One cyclists represented Fiji in 1984.

Judo

Fiji entered two male judoka into the Olympic tournament

Sailing

Tony Philp

Swimming

Men's 100m Freestyle

Samuela Tupou
* Heat — 55.85
Warren Sorby
* Heat — 56.75

Men's 200m Freestyle

Samuela Tupou
* Heat — 2:02.22

Men's 100m Backstroke

Warren Sorby
* Heat — 1:05.81

Men's 100m Butterfly

Warren Sorby
* Heat — 1:05.53
Samuela Tupou
* Heat — 1:07.75

Men's 200m Individual Medley

Samuela Tupou
* Heat — 2:19.79
Warren Sorby
* Heat — 2:22.74

Women's 100m Freestyle

Sharon Pickering
* Heat — 1:04.25

Women's 200m Freestyle

Sharon Pickering
* Heat — 2:19.31

Women's 100m Backstroke

Sharon Pickering
* Heat — 1:10.49

Women's 200m Individual Medley

Sharon Pickering
* Heat — 2:34.77