| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| James Abou | ROW | 26 November 1985 | |
| Jorge Abril | FTS | 26 July 1987 | |
| Laura Abril | CYC | 28 January 1990 | |
| Marcelo Abril | KTE | 17 March 1978 | |
| Andreína Acevedo | RGY | 6 March 1990 | |
| Israel Aco | KTE | 24 October 1988 | |
| Abrouse Acosta | BAS | 5 September 1992 | |
| Alberto Acosta | BBL | 25 August 1977 | |
| Juan Acosta | TTN | 9 July 1976 | |
| Viviana Acosta | ATH | 23 July 1990 | |
| Xavier Acosta | BAS | 10 November 1984 | |
| Marlene Acuña | ATH | 10 July 1981 | |
| Earl Agnoly | BBL | 18 November 1975 | |
| Ariel Agrazal | BBL | ||
| Sara Aguas | ARC | 22 May 1989 | |
| Edith Agudelo | ARC | 21 August 1979 | |
| Elizabeth Agudelo | CYC | 5 May 1982 | |
| Milena Agudelo | ATH | 15 April 1985 | |
| Abraham Aguilar | BBL | 18 September 1984 | |
| Alberto Aguilar | ATH | 9 March 1985 | |
| Celinda Aguilar | KTE | 1 January 1989 | |
| Nancy Aguilar | FTB | ||
| S Aguilar | JUD | ||
| Christina Aicardi | BDM | 14 January 1986 | |
| Rafael Aita | TEN | 11 October 1992 | |
| Sebastián Alarcón | SRF | 9 August 1984 | |
| Makiko Alata | SBL | 10 January 1994 | |
| Leomar Albarrán | WLT | 20 October 1985 | |
| Patricia Alemania | FTS | ||
| Darwin Alfonso | CAN | ||
| Cristian Aliaga | TKW | ||
| Jorge Almeida | ROW | ||
| Tania Almendáriz | TTN | 20 July 1992 | |
| Sergio Alonzo | SRF | 30 October 1990 | |
| Christian Alberto Altamirano Oyazun | CAN | 26 December 1985 | |
| Oriana Altuve | FTB | 3 October 1992 | |
| Deyvi Alva | BOX | ||
| Elizabeth Alvarado | TKW | 11 April 1987 | |
| Frank Alvarado | JUD | 21 February 1986 | |
| Luis Alvarado | KTE | 13 December 1986 | |
| Wilmer Alvarado | BBL | 8 February 1988 | |
| Alejandra Álvarez | TEN | 24 July 1994 | |
| Gilbert Álvarez | FTB | 7 April 1992 | |
| Luz Álvarez | JUD | 20 February 1987 | |
| María Álvarez | WLT | 28 March 1987 | |
| María Paula Álvarez | SWI | 10 October 1989 | |
| Mónica Álvarez | SWI | 5 July 1988 | |
| Nicanor Álvarez | BAS | ||
| Robinson Álvarez | ARC | 14 September 1991 | |
| Wilmary Álvarez | ATH | 13 May 1984 | |
| Yuri Alvear | JUD | 29 March 1986 | |
| Juliana Alzate | WRE | 5 September 1982 | |
| César Amaris | ROW | 27 November 1989 | |
| Yadinis Amarís | JUD | 1 April 1984 | |
| Cristina Amaya | RQL | 28 October 1988 | |
| Ronald Amaya | ATH | 12 September 1984 | |
| Pool Ambrocio | WRE | 4 December 1990 | |
| Alexandra Andagoya | WLT | 25 November 1988 | |
| Yony Andica | WLT | 26 August 1987 | |
| Darlin Andrade | FTS | ||
| Jayce Andrade | VOL | 19 May 1984 | |
| Karina Andrade | TKW | ||
| Maria Claudia Andrade | RQL | ||
| Marcia Andrades | WRE | 20 September 1982 | |
| Mateo de Ángulo | SWI | 18 June 1990 | |
| Luís Angulo | JUD | ||
| Sofía Angulo | WLT | 27 December 1991 | |
| Lissette Antes | WRE | 2 May 1991 | |
| Vania Antezana | VOL | 4 October 1991 | |
| Angélica Aquino | VOL | 10 August 1990 | |
| Zuleima Araméndiz | ATH | 23 September 1975 | |
| Luis Arana | FEN | 26 October 1990 | |
| Miguel Arancibia | BBL | ||
| Sergio Arancibia | BBL | ||
| Jorge Arango | SHO | 10 January 1966 | |
| Juan Arango | CYC | 9 October 1986 | |
| Johana Araque | TTN | 17 August 1982 | |
| Hugo Araya | SWI | 23 July 1986 | |
| Ana María Arce | BDM | 6 October 1987 | |
| Carlos Arce | WLT | 14 October 1990 | |
| María Laura Arce | BDM | ||
| Raul Arcentales | KTE | ||
| Jessica Arcos | SHO | ||
| Jorge Arequipa | ATH | 23 November 1982 | |
| Carla Arévalo | SHO | 30 April 1990 | |
| Julio César Arévalo | ROC/ROW | 20 January 1980 | |
| Samantha Arévalo | OWS/SWI | 30 September 1994 | |
| Carmen Arias | KTE | 10 January 1988 | |
| Carolina Arias | FTB | 2 September 1990 | |
| Catherine Árias | RGY | 1990 | |
| Jorge Eduardo Arias | TRI | ||
| José Ernesto Arias | SHO | 1 June 1971 | |
| Luis Arias | VOL | 17 January 1989 | |
| Yanet Arias | BAS | 14 October 1982 | |
| Sebastián Arispe | SWI | 26 August 1992 | |
| Fernando Aristiguieta | FTB | 9 April 1992 | |
| Natalia Ariza | FTB | 21 February 1991 | |
| Tatiana Ariza | FTB | 21 February 1991 | |
| César Armijos | FTS | 17 September 1980 | |
| Enrique Arnáez | SHO | 4 August 1969 | |
| Álvaro Arnez | KTE | 16 April 1987 | |
| Gisela Arrieta | FTB | 16 April 1987 | |
| Helen Arroyo | SHO | ||
| Jorge Arroyo | WLT | 23 September 1991 | |
| Jorge Arroyo | SHO | ||
| Martín Arsentales | JUD | ||
| Jhonny Arteaga | FTS | ||
| Julio César Arteaga | WLT | 9 March 1986 | |
| Mauricio Arteaga | ATH | 8 August 1988 | |
| Yusmery Ascanio | FTB | 20 December 1990 | |
| Edwin Assereto | KTE | 1 December 1982 | |
| Sergio Aular | BBL | ||
| Harold Avella | TKW | 19 December 1988 | |
| Yurany Avendaño | GYM | 5 January 1993 | |
| Angela Ávila | WLT | ||
| Ceiber Ávila | BOX | 26 May 1989 | |
| Martin Ávila | WSK | ||
| Verónica Ayaviri | TKW | ||
| Vivian Baella | VOL | 3 August 1992 | |
| Giovanny Báez | CYC | 9 April 1981 | |
| Oswal Báez | BBL | 29 May 1989 | |
| Yamilé Bahamonde | SWI | 4 June 1987 | |
| Virginia Ballesteros | FTS | 25 September 1988 | |
| Ramiro Ballivián | FTB | 8 April 1992 | |
| Lisbeth Bandrés | FTB | 24 March 1988 | |
| Anabel Barahona | BAS | 10 August 1990 | |
| José Barba | FTS | ||
| Stefany Barba | VOL | 26 October 1992 | |
| Dodanim Barboza | JUD | 12 April 1993 | |
| Yohan Barboza | BBL | 28 August 1991 | |
| María Barco | TTN | 28 April 1993 | |
| Julio Bardales | BVO | 22 November 1980 | |
| Rafael Barreno | WRE | 30 September 1977 | |
| Sixto Barrera | WRE | 17 September 1983 | |
| Jans Barrero | BOX | ||
| Juanita Barreto | SWI | 15 May 1993 | |
| Mayerling Barreto | JUD | ||
| Ysis Barreto | JUD | 27 May 1980 | |
| Valeria Barrientos | SBL | ||
| Carlos Barrios | ROW | ||
| Eliana Barrios | SWI | 18 July 1992 | |
| Elimar Barrios | SWI | 18 July 1992 | |
| Pablo Barrios | EQU | 14 July 1964 | |
| Andreina Bastidas | FTB | 19 January 1991 | |
| Elizabeth Bautista | SBL | ||
| Jamie Bazán | WSK | 9 October 1993 | |
| Mario Bazán | ATH | 1 September 1987 | |
| Ilian Beach | BAS | ||
| Jenny Bedoya | SHO | 22 December 1983 | |
| Natalia Bedoya | TTN | 8 November 1984 | |
| Aldo Bello | ATH | 23 May 1975 | |
| Francisco Bellorín | SRF | 18 December 1989 | |
| Jacqueline Bellorín | BDM | 1980 | |
| Mayte Bellota | JUD | 16 October 1990 | |
| Carlos Benavente | FEN | 20 July 1992 | |
| Alejandra Benítez | FEN | 7 July 1980 | |
| Stephanie Benito | FTB | 9 April 1990 | |
| José-Luis Bermejo | JUD | ||
| Paola Bermudes | FTB | ||
| Eduard Bermúdez | BOX | 21 August 1984 | |
| Benny Bernaola | VOL | 1 November 1990 | |
| Mario Berrios | GYM | 10 July 1986 | |
| Shirley Berruz | FTB | 6 January 1991 | |
| Ana Betancour | WRE | 17 January 1986 | |
| Leonardo Betancourt | BAS | 21 February 1992 | |
| Felipe Beuvrín | SHO | 14 June 1978 | |
| Carlos Birriel | BBL | ||
| Aleoscar Blanco | VOL | 18 July 1987 | |
| Alfonso Blanco | BOX | 2 February 1986 | |
| Israel Blanco | BAS | 14 February 1993 | |
| Robín Blanco | KTE | 2 May 1984 | |
| Bryan Blas | TTN | 23 May 1989 | |
| Sindel Bobarin | KTE | 28 March 1993 | |
| Mariangee Bogado | SBL | 4 July 1984 | |
| Óscar Bohórquez | TRI | 21 October 1984 | |
| Alfredo Bonard | WSK | ||
| Erick Bone | BOX | 23 December 1988 | |
| Fran Bonilla | SHO | 21 March 1980 | |
| Rodrigo Borda | FTB | 11 February 1992 | |
| Edgar Borja | TKW | 4 May 1980 | |
| Ingrid Borja | BDM | ||
| Olga Bosch | ARC | 27 February 1979 | |
| Jonathan Botello | BOX | ||
| Esteban Boza | SHO | 22 August 1966 | |
| Urimare Bracho | JUD | 29 January 1990 | |
| Guillermo Braulio | ATH | 25 June 1991 | |
| Alberth Bravo | ATH | 29 August 1987 | |
| Carlos Bravo | FEN | 25 July 1973 | |
| Elizabeth Bravo | ATH/TRI | 30 January 1987 | |
| Jaileen Bravo | ARC | 31 August 1987 | |
| Alexander Brazón | WRE | 24 November 1983 | |
| Fanny Briceño | GYM/RGY | 16 August 1987 | |
| María Briceño | CYC | 25 February 1985 | |
| Régulo Briceño | VOL | 13 February 1989 | |
| Daymari Brito | VOL | 5 April 1990 | |
| Leidys Brito | ARC | 5 July 1984 | |
| Andrea Buenaño | SBL | ||
| Betsy Buenaño | SBL | ||
| Carlos Burbano | SHO | ||
| Juan Bustamante | BBL | 13 July 1986 |