Puerto Rico competed at the 1984 Summer Olympics in Los Angeles, United States. 51 competitors, 43 men and 8 women, took part in 45 events in 13 sports.
Medalists
Archery
In the third time the nation competed in archery at the Olympics, Puerto Rico entered one man.
Men's Individual Competition
Ismael Rivera — 2089 points (→ 58th place)
Athletics
Men's 200 metres
Luis Morales
Nelson Erazo
Men's Marathon
Jorge Gonzáles
Final — 2:14:00 (→ 13th place)
César Mercado
Final — 2:19:09 (→ 31st place)
Claudio Cabán
Final — 2:27:16 (→ 53rd place)
Men's 3,000 m Steeplechase
Carmelo Ríos
Men's Pole Vault
Edgardo Rivera
Qualifying Round — 5.10m (→ did not advance)
Women's 400 metres
Marie Mathieu
Women's 800 metres
Angelita Lind
Women's 4×400 metres Relay
Margaret de Jesús
Evelyn Mathieu
Marie Mathieu
Angelita Lind
Women's Marathon
Naydi Nazario
Final — 2:45:49 (→ 33rd place)
Women's High Jump
Laura Agront
Qualification — 1.80m (→ did not advance, 22nd place)
Women's Long Jump
Madeline de Jesús
Qualification — 5.63 m (→ did not advance, 21st place)
Boxing
Men's Light Flyweight (– 48 kg) Rafael Ramos First Round — Defeated Carlos Salazar (Argentina), walk-over Second Round — Defeated Jesús Beltre (Dominican Republic), on points (4:1) Quarterfinals — Lost to Salvatore Todisco (Italy), on points (1:4)
Men's Flyweight (– 51 kg) José Rivera
Men's Bantamweight (– 54 kg) Juan Molina First Round — Bye Second Round — Defeated Jarmo Eskelinen (Finland), 5-0 Third Round — Lost to Pedro Nolasco (Dominican Republic), 2-3
Men's Featherweight (– 57 kg) Orlando Fernández
Men's Lightweight (– 60 kg) Luis Ortíz - Won the silver medal
Men's Light-Welterweight (– 63.5 kg) Jorge Maysonet
Men's Welterweight (– 67 kg) Carlos Reyes
Men's Light-Middleweight (– 71 kg) Víctor Claudio
Men's Middleweight (– 75 kg) Arístides González → Bronze Medal First Round — Defeated Otosico Havili (Tonga), 4:1 Second Round — Defeated Paulo Tuvale (Samoa), 5:0 Quarterfinals — Defeated Pedro van Raamsdonk (Netherlands), 4:1 Semifinals — Lost to Shin Joon-Sup (South Korea), 1:4
Men's Light-Heavyweight (– 81 kg) Arcadio Fuentes
Men's Super Heavyweight (+ 91 kg) Isaac Barrientos First Round — Lost to Tyrell Biggs (USA), 0:5
Cycling
One cyclist represented Puerto Rico in 1984.
Individual road race
Ramón Rivera — did not finish (→ no ranking)
Equestrianism
Fencing
Two male fencers represented Puerto Rico in 1984
Men's foil
Edgardo Díaz
Men's épée
Gilberto Peña
Judo
Men's Half-Middleweight
Jorge Bonnet
Men's Middleweight
José Fuentes
Rowing
Sailing
Shooting
Swimming
Men's 100m Freestyle
Fernando Cañales
Heat — 51.75 (→ did not advance, 19th place)
Antonio Portela
Heat — 52.47 (→ did not advance, 27th place)
Men's 200m Freestyle
Fernando Cañales
Heat — 1:56.60 (→ did not advance, 37th place)
Men's 100m Butterfly
Filiberto Colon
Heat — 56.66 (→ did not advance, 28th place)
Men's 200m Butterfly
Filiberto Colon
Heat — 2:01.80
B-Final — 2:01.27 (→ 12th place)
Men's 4 × 100 m Freestyle Relay
Fernando Cañales, Miguel Figueroa, Antonio Portela, and Rafael Gandarillas
Heat — 3:30.66 (→ did not advance, 14th place)