Switzerland competed at the 1984 Summer Olympics in Los Angeles, United States. 129 competitors, 102 men and 27 women, took part in 91 events in 18 sports.
Markus Ryffel — Athletics, Men's 5000 metresAlfred Achermann, Richard Trinkler, Laurent Vial, and Benno Wiss — Cycling, Men's Team Road RaceAmy-Cathérine De Bary, Otto Hofer, and Christine Stückelberger — Equestrian, Dressage Team CompetitionDaniel Nipkow — Shooting, Men's Small-bore Rifle, Three PositionsHeidi Robbiani — Equestrian, Jumping Individual CompetitionOtto Hofer — Equestrian, Dressage Individual CompetitionÉtienne Dagon — Swimming, Men's 200m BreaststrokeHugo Dietsche — Wrestling, Men's Greco-Roman FeatherweightIn Switzerland's third appearance in Olympic archery, two women and one man competed.
Women's Competition:
Ursula Hess – 2473 points (→ 13th place)Vreny Burger – 2419 points (→ 27th place)Men's Competition:
Thomas Hardmeier – 2476 points (→ 20th place)Men's 400 metres
Marcel ArnoldHeat — 46.46Quarterfinals — 46.10 (→ did not advance)Men's 5,000 metres
Markus RyffelHeat — 13:46.16Semifinals — 13:40.08Final — 13:07.54 (→ Silver Medal)Men's Marathon
Bruno LafranchiFinal — 2:24:38 (→ 50th place)Men's High Jump
Roland DalhäuserQualification — 2.24mFinal — no mark (→ no ranking)Men's Long Jump
René GloorQualification — 7.71m (→ did not advance, 13th place)Men's Pole Vault
Felix BöhniQualifying Round — 5.40mFinal — 5.30m (→ 7th place)Men's Shot Put
Werner GünthörQualifying Round — 19.71 mFinal — 20.28m (→ 5th place)Men's Decathlon
Michele RüfenachtFinal Result — 7924 points (→ 10th place)Patrick VetterliFinal Result — 7739 points (→ 13th place)
Women's 3,000 metres
Cornelia BürkiHeat — 8:45.82Final — 8:45.20 (→ 5th place)Women's Marathon
Gabriela Andersen-SchiessFinal — 2:48:42 (→ 37th place)Women's Javelin Throw
Regula EggerQualification — 57.88m (→ did not advance)Women's Heptathlon
Corinne SchneiderFinal Result — 6042 points (→ 10th place)Twelve cyclists represented Switzerland in 1984.
Individual road raceRichard Trinkler — +1:43 (→ 10th place)Stefan Maurer — +3:37 (→ 12th place)Heinz Imboden — did not finish (→ no ranking)Benno Wiss — did not finish (→ no ranking)Team time trialAlfred AchermannRichard TrinklerLaurent VialBenno WissSprintHeinz Isler1000m time trialHeinz IslerIndividual pursuitJörg MüllerStephan JohoTeam pursuitDaniel HuwylerHans LedermannHansrüdi MärkiJörg MüllerPoints raceJörg MüllerStephan JohoFive fencers, all men, represented Switzerland in 1984
Men's épéeMichel PoffetDaniel GigerGabriel NigonMen's team épéeOlivier Carrard, Daniel Giger, Gabriel Nigon, Michel Poffet, François SuchaneckiHandball
Men's Team CompetitionTeam RosterJürgen BätschmannRené BarthMarkus BraunMax DelheesRoland GassmannMartin GlaserPeter HürlimannPeter JehleHeinz KarrerUwe MallMartin OttNorwin PlatzerMartin RubinMax SchärRuedi WeberThree male modern pentathletes represented Switzerland in 1984.
IndividualAndy JungPeter SteinmannPeter MinderTeamAndy JungPeter SteinmannPeter MinderMen's 100m Freestyle
Dano HalsallHeat — 50.91Final — 50.50 (→ 5th place)Stéfan VoléryHeat — 51.24B-Final — 51.42 (→ 10th place)Men's 200m Freestyle
Stéfan VoléryHeat — 1:54.19 (→ did not advance, 25th place)Thierry JacotHeat — 1:56.54 (→ did not advance, 36th place)Men's 100m Backstroke
Patrick FerlandHeat — 58.78 (→ did not advance, 22nd place)Men's 200m Backstroke
Patrick FerlandHeat — 2:08.31 (→ did not advance, 22nd place)Men's 100m Breaststroke
Étienne DagonHeat — 1:05.37 (→ did not advance, 20th place)Felix MorfHeat — 1:05.89 (→ did not advance, 23rd place)Men's 200m Breaststroke
Étienne DagonHeat — 2:18.95Final — 2:17.41 (→ Bronze Medal)Felix MorfHeat — DSQ (→ did not advance, no ranking)Men's 100m Butterfly
Théophile DavidHeat — 55.81B-Final — 55.40 (→ 10th place)Dano HalsallHeat — 55.35B-Final — 55.51 (→ 11th place)Men's 200m Butterfly
Théophile DavidHeat — 2:03.21 (→ did not advance, 19th place)Men's 4 × 100 m Freestyle Relay
Dano Halsall, Stéfan Voléry, Thierry Jacot, and Roger BirrerHeat — 3:26.61 (→ did not advance, 9th place)Men's 4 × 100 m Medley Relay
Patrick Ferland, Étienne Dagon, Théophile David, and Dano HalsallHeat — 3:48.13Final — 3:47.93 (→ 7th place)
Women's 100m Freestyle
Marie-Thérèse ArmenteroHeat — 58.73 (→ did not advance, 19th place)Women's 400m Freestyle
Nadia KrügerHeat — 4:28.20 (→ did not advance, 18th place)Women's 800m Freestyle
Nadia KrügerHeat — 9:07.95 (→ did not advance, 16th place)Women's 4 × 100 m Medley Relay
Eva Gysling, Patricia Brülhart, Carole Brook, and Marie-Thérèse ArmenteroHeat — 4:20.55Final — 4:19.02 (→ 6th place)Women's 100m Backstroke
Eva GyslingHeat — 1:05.18B-Final — 1:06.11 (→ 16th place)Women's 200m Backstroke
Eva GyslingHeat — 2:25.69 (→ did not advance, 24th place)Women's 200m Butterfly
Carole BrookHeat — 2:18.66B-Final — 2:16.74 (→ 15th place) 
