Norway was represented at the 1984 Summer Olympics in Los Angeles by the Norwegian Olympic Committee and Confederation of Sports. Norway returned to the Summer Games after participating in the American-led boycott of the 1980 Summer Olympics. 103 competitors, 84 men and 19 women, took part in 76 events in 17 sports.
Medalists
{| class="wikitable sortable" style="font-size:90%"
|-
!Medal
!Name
!Sport
!Event
!Date
|-
| || || Athletics || Women's marathon || 5 August
|-
| || || Cycling || Men's individual road race || 29 July
|-
| || <br> || Rowing || Men's coxless pair || 5 August
|}
Archery
In the third appearance by the nation in the archery competition at the Olympics, Norway was again represented by only one man. He posted Norway's best ranking in Olympic archery history with the 23rd place.
Men's Individual Competition:
- Jan Roger Skyttesæter — 2.465 points (→ 23rd place)
Athletics
Men's Marathon
- Øyvind Dahl — 2:19:28 (→ 33rd place)
- Stig Roar Husby — did not finish (→ no ranking)
Women's Marathon
- Grete Waitz — 2:26:18 (→ Image:Med 2.png Silver Medal)
- Ingrid Kristiansen — 2:27:34 (→ 4th place)
- Bente Moe — 2:40:52 (→ 26th place)
Men's Javelin Throw
- Per Erling Olsen
:* Qualification — 87.76 metres
:* Final — 78.98 metres (→ 9th place)
- Reidar Lorentzen
:* Qualification — 76.62 metres (did not advance, 15th place)
Women's Javelin Throw
- Trine Hattestad
:* Round 1 — 62.68 metres
:* Final — 64.52 metres (→ 5th place)
Men's Discus Throw
- Knut Hjeltnes
:* Round 1 — 60.80 metres (→ advanced to the final)
:* Final — 65.28 metres (→ 4th place)
Men's Hammer Throw
- Tore Johnsen – Round 1, 65.72 metres (did not advance)
Men's Decathlon
- Trond Skramstad
:* Final Result — 7579 points (→ 17th place)
Men's 20 km walk
- Erling Andersen — 1:25:42 (→ 8th place)
Men's 50 km walk
- Lars Ove Moen — 4:15:12 (→ 13th place)
- Erling Andersen — disqualified (→ no ranking)
Boxing
Men's Light-Welterweight
- Javid Aslam
Men's Light-Middleweight
- Simen Auseth
Men's Heavyweight
- Magne Havnå
Canoeing
Cycling
Ten cyclists represented Norway in 1984.
;Men's individual road race
- Dag Otto Lauritzen — +0:21 (→ Image:Med 3.png Bronze Medal)
- Morten Sæther — +0:21 (→ 4th place)
- Atle Kvålsvoll — +6:48 (→ 20th place)
- Hans Petter Ødegård — did not finish (→ no ranking)
;Team time trial
- Dag Hopen
- Hans Petter Ødegård
- Arnstein Raunehaug
- Morten Sæther
;1000m time trial
- Rolf Morgan Hansen
;Women's individual road race
- Unni Larsen — 2:11:14 (→ 4th place)
- Nina Søby — 2:13:28 (→ 18th place)
- Hege Stendahl — 2:13:28 (→ 19th place)
Diving
Men's 3m springboard
- Jon Grunde Vegard – 531.48 (→ did not advance)
Men's 10m platform
- Jon Grunde Vegard – 494.67 (→ 11th place)
Women's 3m springboard
- Tine Tollan – 419.55 (→ did not advance)
Women's 10m platform
- Tine Tollan – 341.31 (→ 12th place)
Equestrianism
Fencing
Six fencers, all men, represented Norway in 1984.
;Men's foil
- Jeppe Normann
;Men's épée
- Nils Koppang
- Bård Vonen
- John Hugo Pedersen
;Men's team épée
- Paal Frisvold, Nils Koppang, John Hugo Pedersen, Ivar Schjøtt, Bård Vonen
Football
Men's Team Competition
- Preliminary Round (Group A)
:* Norway – Chile 0-0
:* Norway – France 1-2
:* Norway – Qatar 2-0
- Quarterfinals
:* Did not advance
- Team Roster
:* ( 1.) Erik Thorstvedt
:* ( 2.) Svein Fjælberg
:* ( 3.) Terje Kojedal
:* ( 4.) Knut Torbjørn Eggen
:* ( 5.) Trond Sirevåg
:* ( 6.) Per Egil Ahlsen
:* ( 7.) Per Edmund Mordt
:* ( 8.) Kai Erik Herlovsen
:* ( 9.) Stein Gran
:* (10.) Tom Sundby
:* (11.) Stein Kollshaugen
:* (12.) Ola By Rise
:* (13.) Joar Vaadal
:* (14.) Egil Johansen
:* (15.) Jan Berg
:* (16.) André Krogsæter
:* (17.) Arve Seland
Gymnastics
Judo
Men's Half-Lightweight
- Alfredo Chinchilla
Rhythmic gymnastics
Rowing
Sailing
Shooting
Swimming
Men's 400m Freestyle
- Arne Borgstrøm
:* Heat — 3:57.88
:* B-Final — 3:57.46 (→ 13th place)
Men's 100m Breaststroke
- Jan-Erick Olsen
:* Heat — 1:05.43 (→ did not advance, 21st place)
Men's 200m Breaststroke
- Jan-Erick Olsen
:* Heat — 2:25.75 (→ did not advance, 25th place)
Men's 200m Individual Medley
- Arne Borgstrøm
:* Heat — 2:08.09
:* B-Final — 2:08.03 (→ 14th place)
Men's 400m Individual Medley
- Arne Borgstrøm
:* Heat — 4:28.37
:* B-Final — 4:28.20 (→ 11th place)
<br>
Women's 100m Backstroke
- Lise Lotte Nylund
:* Heat — DSQ (→ did not advance, no ranking)
Women's 200m Backstroke
- Lise Lotte Nylund
:* Heat — DNS (→ did not advance, no ranking)
Women's 200m Butterfly
- Katrine Bomstad
:* Heat — 2:19.46 (→ did not advance, 18th place)
Women's 200m Individual Medley
- Katrine Bomstad
:* Heat — 2:19.88
:* Final — 2:20.48 (→ 8th place)
- Beda Leirvaag
:* Heat — DSQ (→ did not advance, no ranking)
Women's 400m Individual Medley
- Katrine Bomstad
:* Heat — 4:52.74
:* Final — 4:53.28 (→ 8th place)
- Beda Leirvaag
:* Heat — DNS (→ did not advance, no ranking)
