See main article: 2002 Central American and Caribbean Games.
Swimming at the 19th Central American and Caribbean Games occurred in November 2002 in San Salvador, El Salvador. The competition consisted of 32 events: 16 for males, 16 for females; with 13 individual and 3 relays each. All were swum in a long course (50m) pool.
| 50 freestyle | Ricardo Busquets | 22.55 =GR | Camilo Becerra | 23.05 | Francisco Sánchez | 23.33 |
| 100 freestyle | Ricardo Busquets | 50.25 | Francisco Páez | 51.93 | Josh Ilika | 52.08 |
| 200 freestyle | Josh Ilika | 1:52.15 | Ricardo Monasterio | 1:54.20 | Edwin Maldonado | 1:54.47 |
| 400 freestyle | Ricardo Monasterio | 3:57.63 GR | Edwin Maldonado | 4:01.04 | Leonardo Salinas | 4:03.11 |
| 1500 freestyle | Ricardo Monasterio | 15:39.90 GR | Edwin Maldonado | 15:54.32 | Iván López | 15:56.26 |
| 100 backstroke | Juan Rodela | 58.00 | Diego Urreta | 58.28 | Nicholas Neckles | 58.39 |
| 200 backstroke | Diego Urreta | 2:05.06 | Juan Rodela | 2:05.35 | Nicholas Neckles | 2:07.67 |
| 100 breaststroke | Francisco Suriano | 1:04.51 | Hiram Carrión | 1:05.39 | Alvaro Fortuny | 1:05.57 |
| 200 breaststroke | Francisco Suriano | 2:20.60 | Alvaro Fortuny | 2:22.87 | Leopoldo Andara | 2:26.19 |
| 100 butterfly | Josh Ilika | 53.86 =GR | Francisco Sánchez | 54.86 | Camilo Becerra | 54.97 |
| 200 butterfly | Juan Veloz | 1:58.45 GR | Andrew Livingston | 2:01.37 | Pablo Marmolejo | 2:03.85 |
| 200 I.M. | Diego Urreta | 2:05.99 GR | César Uribe | 2:08.53 | Kevin Gleason | 2:09.76 |
| 400 I.M. | Juan Veloz | 4:31.83 | Leopoldo Andara | 4:38.35 | Hiram Carrión | 4:39.53 |
| 4x100 free relay | Oswaldo Quevedo, Francisco Páez, Albert Subirats, Francisco Sánchez | 3:25.76 | Javier Diaz, Alejandro Siqueiros, Emilio Montero, Josh Ilika | 3:27.26 | Ricardo Busquets, Orlando Torres, Andrew Livingston, Hiram Carrión | 3:32.05 |
| 4x200 free relay | Alejandro Siqueiros, Josh Ilika, Leonardo Salinas, Juan Veloz | 7:37.36 GR | Ricardo Monasterio, Eduardo Ramírez, Manuel Colmenares, Edwin Maldonado | 7:43.79 | Hiram Carrión, Orlando Torres, Andrew Livingston, Ricardo Busquets | 7:58.88 |
| 4x100 medley relay | Juan Rodela, Marco González, Josh Ilika, Alejandro Siqueiros | 3:47.52 | Gabriel Tirabasi, Gerardo Jiménez, Francisco Sánchez, Francisco Páez | 3:49.48 | Ricardo Busquets, Hiram Carrión, Andrew Livingston, Orlando Torres | 3:51.23 |
| 50 freestyle | Eileen Coparropa | 25.68 GR | Arlene Semeco | 26.42 | Linda McEachrane | 26.99 |
| 100 freestyle | Eileen Coparropa | 56.58 GR | Arlene Semeco | 57.87 | Angela Chuck | 58.91 |
| 200 freestyle | Angela Chuck | 2:07.81 | Atenas López | 2:08.09 | Golda Marcus | 2:08.22 |
| 400 freestyle | Sonia Álvarez | 4:28.76 | Tania Galindo | 4:29.58 | Golda Marcus | 4:31.02 |
| 800 freestyle | Tania Galindo | 9:05.11 | Claudia Garias | 9:06.09 | Golda Marcus | 9:15.72 |
| 100 backstroke | Gisela Morales | 1:06.17 | Tatiana Maristany | 1:06.80 | Carolina Rivera | 1:07.20 |
| 200 backstroke | Gisela Morales | 2:20.57 | Tatiana Maristany | 2:25.20 | Yara Saldaña | 2:26.48 |
| 100 breaststroke | Adriana Marmolejo | 1:13.94 | Alejandra González | 1:15.45 | Carla Mojica | 1:17.26 |
| 200 breaststroke | Adriana Marmolejo | 2:37.84 | Carla Mojica | 2:43.18 | Norma Bernal | 2:47.76 |
| 100 butterfly | Paola España | 1:03.33 | María Rodríguez | 1:03.78 | Teresa Víctor | 1:03.91 |
| 200 butterfly | Heather Roffey | 2:19.23 | Paola España | 2:20.02 | María Rodríguez | 2:21.31 |
| 200 I.M. | Adriana Marmolejo | 2:23.73 | Sonia Álvarez | 2:25.23 | Vanessa Martínez | 2:25.56 |
| 400 I.M. | Sonia Álvarez | 5:06.96 | Nancy García | 5:09.90 | Vanessa Martínez | 5:12.54 |
| 4x100 free relay | Ximena Vilar Diana López Daniela Aponte Arlene Semeco | 3:57.55 GR | Tatiana Maristany Atenas López Jascquelina Paredes Lorena Pontones | 3:58.12 | Solimar Mojica Solmani Mojica Gretchen Gotay Sonia Álvarez | 4:00.27 |
| 4x200 free relay | Solimar Mojica Vanessa Martínez Gretchen Gotay Sonia Álvarez | 8:39.75 GR | Carolina Moreno Tania Galindo Mayra Miranda Atenas López | 8:42.50 | Arlene Semeco Oriana Galindo Daniela Aponte Diana López | 8:46.27 |
| 4x100 medley relay | Tatiana Maristany Adriana Marmolejo Paola España Atenas López | 4:23.42 GR | María Carolina Rivera Corina Goncalves María Rodriguez Arlene Semeco | 4:24.67 | Emily Plummer Alejandra González Vanessa Martínez Solimar Mojica | 4:30.68 |