Mexico competed at the 1984 Summer Olympics in Los Angeles, United States. 99 competitors, 77 men and 22 women, took part in 87 events in 18 sports.
Ernesto Canto — Athletics, Men's 20 km WalkRaúl González — Athletics, Men's 50 km WalkRaúl González — Athletics, Men's 20 km WalkHéctor López — Boxing, Men's BantamweightDaniel Aceves — Wrestling, Men's Greco-Roman FlyweightManuel Youshimatz — Cycling, Men's Points RaceIn its second Olympic archery competition, Mexico entered one man and one woman. Aurora Breton, a veteran of Mexico's first appearance in the 1972 archery competition, took ninth place.
Women's Individual Competition:
Aurora Bretón — 2481 points (→ 9th place)Men's Individual Competition:
Adolfo Gonzalez — 2418 points (→ 33rd place)Men's 5,000 metres
Gerardo AlcalaHeat — 13:50.60Semifinals — 13:45.98 (→ did not advance)Eduardo CastroHeat — 13:51.46Semifinals — 13:42.04 (→ did not advance)Men's 10,000 metres
José GómezQualifying Heat — 28:28.50 (→ did not advance)Martín PitayoQualifying Heat — 28:59.19 (→ did not advance)Men's Marathon
Jesús Herrera — 2:20:33 (→ 36th place)Rodolfo Gómez — did not finish (→ no ranking)Miguel Angel Cruz — did not finish (→ no ranking)Men's Javelin Throw
Juan de la GarzaQualification — 79.16m (→ did not advance, 14th place)Men's 20 km Walk
Ernesto CantoFinal — 1:23:13 (→ Gold Medal)Raúl GonzálezFinal — 1:23:20 (→ Silver Medal)Marcelino ColínFinal — 1:28:26 (→ 17th place)Men's 50 km Walk
Raúl GonzálezFinal — 3:47:26 (→ Gold Medal)Ernesto CantoFinal — 4:07:59 (→ 10th place)Martín BermúdezFinal — DSQ (→ no ranking)
Women's Marathon
María TrujilloFinal — 2:38:50 (→ 25th place)Maria CardenasFinal — 2:51:03 (→ 40th place)Maria Luisa RonquilloFinal — 2:51:04 (→ 41st place)Women's 400m Hurdles
Alma VázquezHeat — 1:00.86 (→ did not advance)Men's Flyweight
Fausto GarcíaMen's Bantamweight (54 kg)
Héctor López → Silver MedalFirst Round — ByeSecond Round — Defeated Johnny Assadoma (INA), KO-3Third Round — Defeated Joe Orewa (NGR), 4:1Quarterfinals — Defeated Ndaba Dube (ZIM), 5:0Semifinals — Defeated Dale Walters (CAN), 5:0Final — Lost to Maurizio Stecca (ITA), 1:4Men's Featherweight
Javier CamachoMen's Lightweight
Luciano SolisMen's Light-Welterweight
Octavio RoblesMen's Welterweight
Genaro LéonEight cyclists represented Mexico in 1984.
Individual road raceRaúl Alcalá — +1:43 (→ 11th place)Luis Ramos — +6:14 (→ 17th place)Salvador Rios — +22:20 (→ 47th place)Jesús Rios — did not finish (→ no ranking)Team time trialRaúl AlcaláFélipe EnríquezGuillermo GutiérrezCuauthémoc MuñozPoints raceJosé YoushimatzFinal — 29 points (→ Bronze Medal)Men's 3m Springboard
Jorge MondragónPreliminary Round — 537.03Final — 550.35 (→ 9th place)Carlos GirónPreliminary Round — 549.75Final — 530.04 (→ 12th place)One female fencer represented Mexico in 1984.
Women's foilLourdes LozanoThree male pentathletes represented Mexico in 1984.
IndividualIvar SisniegaAlejandro YrizarMarcelo HoyoTeamIvar SisniegaAlejandro YrizarMarcelo HoyoMen's 100m Freestyle
Ramiro EstradaHeat — 52.07 (→ did not advance, 23rd place)César SánchezHeat — 54.94 (→ did not advance, 48th place)Men's 200m Freestyle
César SánchezHeat — 1:55.82 (→ did not advance, 31st place)Carlos RomoHeat — 1:58.77 (→ did not advance, 42nd place)Men's 100m Backstroke
Ernesto VelaHeat — 1:01.42 (→ did not advance, 32nd place)Men's 200m Backstroke
Ernesto VelaHeat — 2:10.30 (→ did not advance, 26th place)Men's 100m Breaststroke
Eduardo MorilloHeat — 1:06.82 (→ did not advance, 31st place)Men's 200m Breaststroke
Eduardo MorilloHeat — 2:23.72 (→ did not advance, 20th place)Men's 100m Butterfly
Carlos RomoHeat — 57.61 (→ did not advance, 32nd place)Men's 200m Individual Medley
Eduardo MorilloHeat — 2:09.87 (→ did not advance, 23rd place)Men's 4 × 100 m Freestyle Relay
José Medina, Ramiro Estrada, César Sánchez, and Carlos RomoHeat — 3:33.86 (→ did not advance, 16th place)Men's 4 × 100 m Medley Relay
Ernesto Vela, Eduardo Morillo, Carlos Romo, and Ramiro EstradaHeat — 3:56.11 (→ did not advance, 14th place)
Women's 100m Freestyle
Patricia KohlmannHeat — 58.76 (→ did not advance, 20th place)Teresa RiveraHeat — 59.61 (→ did not advance, 25th place)Women's 200m Freestyle
Patricia KohlmannHeat — 2:07.75 (→ did not advance, 21st place)Irma HuertaHeat — 2:09.52 (→ did not advance, 24th place)Women's 400m Freestyle
Irma HuertaHeat — 4:25.13B-Final — 4:23.34 (→ 16th place)Women's 800m Freestyle
Irma HuertaHeat — 8:56.18 (→ did not advance, 12th place)Rosa FuentesHeat — DNS (→ did not advance, no ranking)Women's 100m Backstroke
Teresa RiveraHeat — 1:06.39 (→ did not advance, 21st place)Women's 200m Backstroke
Teresa RiveraHeat — 2:22.94 (→ did not advance, 20th place)Women's 4 × 100 m Freestyle Relay
Patricia Kohlmann, Teresa Rivera, Rosa Fuentes, and Irma HuertaHeat — 3:58.31 (→ did not advance)Women's 4 × 100 m Medley Relay
Teresa Rivera, Sara Guido, Maria Urbina, and Patricia KohlmannHeat — DSQ (→ did not advance)Women's Solo
Pilar RamírezClaudia NoveloLourdes CandiniWomen's Duet
Claudia Novelo and Pilar Ramírez