| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| María Laura Abalo | ROW | 17 August 1981 | |
| George Abdullah | SAI | ||
| Jennifer Abel | DIV | 23 August 1991 | |
| Yaritza Abel | JUD/WRE | 26 August 1983 | |
| Mathías Abero | FTB | 9 April 1990 | |
| Anais Abraham | CAN | ||
| José Abreu | BBL | 29 January 1987 | |
| Raidel Acea | ATH | 31 October 1990 | |
| José Acevedo | ATH | 30 March 1986 | |
| Claudia Aceves | SWA | 23 March 1991 | |
| Karem Achach | SWA | 25 February 1991 | |
| David Achucarro | FTB | 5 January 1991 | |
| Giancarlos Acosta | BAS | 6 May 1984 | |
| Karina Acosta | JUD | 7 November 1986 | |
| Luz Acosta | WLT | 22 December 1980 | |
| Mauro Acosta | WLT | 31 January 1989 | |
| Yuselis Acosta | SBL | 24 May 1985 | |
| Michelle Acquesta | ARC | 2 November 1989 | |
| Crox Acuña | SWI | 23 June 1990 | |
| Antoine Adams | ATH | 31 August 1988 | |
| Jeffrey Adamson | WRE | 1 April 1985 | |
| Andrew Adkison | WSK | 8 April 1982 | |
| Uriel Adriano | TKW | 30 April 1990 | |
| Renzo Agresta | FEN | 27 June 1985 | |
| Dagoberto Agüero | BOX | 21 February 1993 | |
| Elida Agüero | FEN | 18 July 1968 | |
| Mayra Aguiar | JUD | 3 August 1991 | |
| Alberto Aguilar | ATH | 9 March 1985 | |
| Andrés Aguilar | WAP | 14 February 1978 | |
| Angélica Aguilar | FEN | 13 August 1990 | |
| Evelis Aguilar | ATH | 3 January 1993 | |
| Gregory Aguilar | WAP | 1 November 1982 | |
| Karel Aguilar | CAN | 5 April 1980 | |
| Tomás Aguilera | VOL | 15 November 1988 | |
| Ana Aguirre | TRI | 25 March 1987 | |
| Jeinkler Aguirre | DIV | 14 June 1990 | |
| Blake Ahearn | BAS | 27 May 1984 | |
| Laura Aladro | HOK | 17 January 1983 | |
| Adelina Alanís | WAP | 11 May 1987 | |
| Karina Alanís | CAN | 9 December 1993 | |
| Rafael Alarçón | SQU | 5 February 1977 | |
| Yosvany Alarçón | BBL | 15 October 1984 | |
| Patsy Alas | WAP | 14 April 1982 | |
| Andrew Albers | BBL | 6 October 1985 | |
| Neftaly Albertsz | SWA | 26 December 1996 | |
| Emiliano Albín | FTB | 24 January 1989 | |
| Dariel Albo | VOL | 17 January 1992 | |
| Arnold Alcolea | CYC | 25 April 1982 | |
| Jannet Alegría | TKW | 30 August 1987 | |
| Dusan Aleksic | WAP | 7 April 1991 | |
| Octavio Alesi | SWI | 10 December 1986 | |
| Brian Alexander | WAP | 3 May 1983 | |
| Natalia Alfaro | BVO | 8 April 1987 | |
| Alejandro Alloatti | BAS | 29 November 1984 | |
| Maximiliano Almada | CYC | ||
| Júlio Almeida | SHO | 23 September 1969 | |
| Krystina Alogbo | WAP | 20 January 1986 | |
| Myriam Alonso | BAS | 11 May 1992 | |
| Julio Alsogaray | SAI | 11 April 1980 | |
| Mariela Andino | HAN | 9 October 1990 | |
| Maria Suelen Altheman | JUD | 12 August 1988 | |
| Gastón Alto | TTN | 6 July 1985 | |
| Argenis Álvarez | DIV | 4 April 1992 | |
| Estefanía Álvarez | SWA | 25 August 1994 | |
| Fernanda Álvarez | WAP | 24 June 1993 | |
| Freddy Álvarez | BBL | 29 April 1989 | |
| José Álvarez | RQL | 22 April 1988 | |
| Lázaro Álvarez | BOX | 28 January 1991 | |
| María Álvarez | WLT | 28 March 1987 | |
| Sarai Álvarez | VOL | 3 April 1986 | |
| Sergio Álvarez | WLT | 11 October 1979 | |
| Felipe Alvear | FEN | 25 August 1985 | |
| Yuri Alvear | JUD | 29 March 1986 | |
| Bernardo Alves | EQU | 20 November 1974 | |
| Thiago Alves | VOL | 26 July 1986 | |
| Darisleydis Amador | CAN | 1 January 1988 | |
| Chioma Amaechi | WLT | 2 March 1992 | |
| Dayane Amaral | RGY | 15 December 1993 | |
| César Amaris | ROW | 27 November 1989 | |
| Sabrina Ameghino | CAN | 6 July 1980 | |
| Jerónimo Amione | FTB | 31 March 1990 | |
| Duda Amorim | HAN | 23 September 1986 | |
| Ana Paula | HAN | 18 October 1987 | |
| Tumua Anae | WAP | 16 October 1988 | |
| Alexandra Andagoya | WLT | 25 November 1988 | |
| Carlos Andica | WLT | 12 November 1983 | |
| Esteban Andrada | FTB | 26 January 1991 | |
| Jhon Andrade | WAP | 10 November 1984 | |
| Juan José Andrade | TRI | 11 July 1993 | |
| Rafael Andrade | TMP | 7 May 1986 | |
| Yoandri Andrade | WAP | 10 December 1982 | |
| Nilson André | ATH | 30 January 1986 | |
| Peter Andrelczyk | BBL | 10 November 1985 | |
| Raúl Anguilo | WRE | 3 September 1977 | |
| Silvia Ángulo | SQU | 14 September 1983 | |
| Lissette Antes | WRE | 2 May 1991 | |
| Mathías Anwandter | HOK | ||
| Ángel Aponte | KTE | 15 June 1989 | |
| Víctor Aponte | SAI | 22 July 1995 | |
| Angélica Aquino | VOL | 10 August 1990 | |
| Javier Aquino | FTB | 11 February 1990 | |
| Juan Arango | CYC | 9 October 1986 | |
| Johana Araque | TTN | 17 August 1982 | |
| Ivis Araújo | WLT | 2 May 1991 | |
| Néstor Araújo | FTB | 29 August 1991 | |
| Sergio Araujo | FTB | 28 January 1992 | |
| Yineldy Araújo | WAP | 8 August 1990 | |
| Guillermo Araya | HAN | 6 August 1985 | |
| Juliana Arbeláez | SWA | 30 August 1994 | |
| María Arce | SWA | 4 November 1988 | |
| Othoniel Arce | FTB | 8 November 1989 | |
| Paula Arcila | SWA | 21 June 1991 | |
| Tyler Ardon | RUG | ||
| Humberto Arencibia | WRE | 20 November 1989 | |
| Bárbara Arenhart | HAN | 4 October 1986 | |
| Lucas Argento | HOK | 24 September 1986 | |
| Alexis Arias | ROW | 19 October 1969 | |
| Cándida Arias | VOL | 11 March 1992 | |
| José Arias | WRE | 27 December 1984 | |
| Luis Arias | VOL | 17 January 1989 | |
| Val Arioto | SBL | 10 April 1989 | |
| Alan Armenta | ROW | 14 April 1986 | |
| Leslie Armijo | WLT | 30 May 1985 | |
| Betsey Armstrong | WAP | 31 January 1983 | |
| Cole Armstrong | BBL | 24 August 1983 | |
| Dylan Armstrong | ATH | 15 January 1981 | |
| Bernardo Arndt | SAI | 10 June 1967 | |
| Fernando Arregui | SWI/WAP | 15 December 1966 | |
| Sofía Arreola | CYC | 22 April 1991 | |
| Daniel Arriola | ROL | ||
| Carlos Arroyo | BAS | 30 July 1979 | |
| Jorge Arroyo | WLT | 23 September 1991 | |
| Erisbel Arruebarruena | BBL | 25 March 1990 | |
| Daniel Arteaga | VOL | 30 May 1994 | |
| Julio César Arteaga | WLT | 9 March 1986 | |
| Silvia Artola | WLT | 5 April 1985 | |
| Gabriel Ascárate | RUG | 20 October 1987 | |
| Víctor Asprilla | WRE | 17 March 1987 | |
| Alia Atkinson | SWI | 11 December 1988 | |
| James Atkinson | EQU | 27 April 1977 | |
| Marcela Ávalos | BVO | 20 March 1984 | |
| Alexandra Avena | FEN | 1 November 1985 | |
| Braúlio Ávila | BOX | 5 March 1986 | |
| Edwin Ávila | CYC | 21 November 1989 | |
| Jorber Ávila | ROW | 4 August 1983 | |
| Rosamaría Ávila | SWA | 23 June 1988 | |
| Yanitza Avilés | SBL | 19 September 1982 | |
| Mariana Avitia | ARC | 18 September 1993 | |
| Lucha Aymar | HOK | 10 August 1977 | |
| Tony Azevedo | WAP | 21 November 1981 | |
| Lourdres Azucena | BAS | 11 February 1969 | |
| Howard Bach | BDM | 22 February 1979 | |
| Rolexis Báez | CAN | 17 June 1990 | |
| Bagé | FTB | 15 April 1983 | |
| Donothan Bailey | GYM | 29 December 1990 | |
| Ryan Bailey | WAP | 28 August 1975 | |
| Tigran Bajgoric | FEN | 4 April 1983 | |
| Jordan Baker | BAS | 26 August 1991 | |
| Gustavo Balart | WRE | 10 February 1987 | |
| Zsofia Balazs | OWS/SWI | 4 July 1990 | |
| Renaldo Balkman | BAS | 14 July 1984 | |
| Moniky Bancilon | HAN | 7 May 1990 | |
| Irina Bandurek | SWA | 16 January 1980 | |
| Blair Bann | VOL | 26 February 1988 | |
| Heather Bansley | BVO | 13 September 1987 | |
| Carlos Banteur | BOX | 13 October 1986 | |
| Kayla Banwarth | VOL | 21 January 1989 | |
| Jorge Barajas | VOL | 7 May 1991 | |
| Marcos Barale | SWI | 21 January 1987 | |
| Bárbara | FTB | 4 July 1988 | |
| Petrix Barbosa | GYM | 5 March 1992 | |
| Wellington Barbosa | KTE | 13 August 1990 | |
| Cynthia Barboza | VOL | 7 February 1987 | |
| José Juan Barea | BAS | 26 June 1984 | |
| Julio Barillas | ARC | 20 March 1995 | |
| Ulises Barragán | WRE | 24 August 1985 | |
| Felipe Barraza | TRI | 20 December 1991 | |
| Rafael Barreno | WRE | 30 September 1977 | |
| Francisco Barretto Júnior | GYM | 31 October 1989 | |
| Felipe Barrientos | HAN | 12 June 1984 | |
| Noel Barrionuevo | HOK | 16 May 1984 | |
| Juan Luis Barrios | ATH | 24 June 1983 | |
| Yarelis Barrios | ATH | 12 July 1983 | |
| Érick Barrondo | ATH | 14 June 1991 | |
| Bruno de Barros | ATH | 7 January 1987 | |
| Jhohanny Bartermi | TKW | 5 February 1988 | |
| Yenser Basilo | ROW | 6 October 1985 | |
| Graham Bassett | SQU | ||
| Emiliano Bastón | BAS | 10 January 1988 | |
| Marcelo Batista da Silva | SAI | ||
| Daniele Batista | FTB | 2 April 1983 | |
| Eider Batista | ROW | 18 February 1981 | |
| Víctor Bautista | WAP | 23 November 1986 | |
| Luren Baylon | VOL | 14 August 1977 | |
| Rachelle Beanlands | FTB | 11 May 1993 | |
| Sarah Beard | SHO | 21 May 1991 | |
| Layne Beaubien | WAP | 4 July 1976 | |
| Marie-Pier Beaudet | ARC | 12 December 1986 | |
| Philippe Beaudry | FEN | 16 March 1987 | |
| Jennifer Beckberger | SWI | 6 January 1986 |