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.
Medalists
Archery
In 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 González — 2418 points (→ 33rd place)
Athletics
Men's 5,000 metres
Gerardo Alcala
Heat — 13:50.60
Semifinals — 13:45.98 (→ did not advance)
Eduardo Castro
Heat — 13:51.46
Semifinals — 13:42.04 (→ did not advance)
Men's 10,000 metres
José Gómez
Qualifying Heat — 28:28.50 (→ did not advance)
Martín Pitayo
Qualifying 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 Garza
Qualification — 79.16m (→ did not advance, 14th place)
Men's 20 km Walk
Ernesto Canto
Final — 1:23:13 (→ Gold Medal)
Raúl González
Final — 1:23:20 (→ Silver Medal)
Marcelino Colín
Final — 1:28:26 (→ 17th place)
Men's 50 km Walk
Raúl González
Final — 3:47:26 (→ Gold Medal)
Ernesto Canto
Final — 4:07:59 (→ 10th place)
Martín Bermúdez
Final — DSQ (→ no ranking)
Women's Marathon
María Trujillo
Final — 2:38:50 (→ 25th place)
Maria Cardenas
Final — 2:51:03 (→ 40th place)
Maria Luisa Ronquillo
Final — 2:51:04 (→ 41st place)
Women's 400m Hurdles
Alma Vázquez
Heat — 1:00.86 (→ did not advance)
Boxing
Men's Flyweight
Fausto García
Men's Bantamweight (54 kg) Héctor López → Silver Medal First Round — Bye Second Round — Defeated Johnny Assadoma (INA), KO-3 Third Round — Defeated Joe Orewa (NGR), 4:1 Quarterfinals — Defeated Ndaba Dube (ZIM), 5:0 Semifinals — Defeated Dale Walters (CAN), 5:0 Final — Lost to Maurizio Stecca (ITA), 1:4
Men's Featherweight
Javier Camacho
Men's Lightweight
Luciano Solis
Men's Light-Welterweight
Octavio Robles
Men's Welterweight
Genaro Léon
Canoeing
Cycling
Eight cyclists represented Mexico in 1984.
Individual road race
Raúl 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 trial
Raúl Alcalá
Félipe Enríquez
Guillermo Gutiérrez
Cuauthémoc Muñoz
Points race
José Youshimatz
Final — 29 points (→ Bronze Medal)
Diving
Men's 3m Springboard
Jorge Mondragón
Preliminary Round — 537.03
Final — 550.35 (→ 9th place)
Carlos Girón
Preliminary Round — 549.75
Final — 530.04 (→ 12th place)
Equestrianism
Fencing
One female fencer represented Mexico in 1984.
Women's foil
Lourdes Lozano
Gymnastics
Judo
Modern pentathlon
Three male pentathletes represented Mexico in 1984.
Individual
Ivar Sisniega
Alejandro Yrizar
Marcelo Hoyo
Team
Ivar Sisniega
Alejandro Yrizar
Marcelo Hoyo
Rowing
Sailing
Shooting
Swimming
Men's 100m Freestyle
Ramiro Estrada
Heat — 52.07 (→ did not advance, 23rd place)
César Sánchez
Heat — 54.94 (→ did not advance, 48th place)
Men's 200m Freestyle
César Sánchez
Heat — 1:55.82 (→ did not advance, 31st place)
Carlos Romo
Heat — 1:58.77 (→ did not advance, 42nd place)
Men's 100m Backstroke
Ernesto Vela
Heat — 1:01.42 (→ did not advance, 32nd place)
Men's 200m Backstroke
Ernesto Vela
Heat — 2:10.30 (→ did not advance, 26th place)
Men's 100m Breaststroke
Eduardo Morillo
Heat — 1:06.82 (→ did not advance, 31st place)
Men's 200m Breaststroke
Eduardo Morillo
Heat — 2:23.72 (→ did not advance, 20th place)
Men's 100m Butterfly
Carlos Romo
Heat — 57.61 (→ did not advance, 32nd place)
Men's 200m Individual Medley
Eduardo Morillo
Heat — 2:09.87 (→ did not advance, 23rd place)