Wagner Francisco Cardoso (born 20 March 1989 in Rio de Janeiro) is a Brazilian sprinter specialising in the 400 metres. He finished seventh at the 2013 World Championships with the Brazilian 4 × 400 metres relay team.
His 400 metres personal best is 45.80, set in 2013.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2006 | South American Youth Championships | Caracas, Venezuela | 4th | 400 m | 48.15 | |
| bgcolor=gold | 1st | Medley relay | 1:53.67 | |||
| 2007 | South American Junior Championships | São Paulo, Brazil | bgcolor=gold | 1st | 4x400 m relay | 3:08.68 |
| 2008 | South American U23 Championships | Lima, Peru | bgcolor=gold | 1st | 4x400m relay | 3:09.02 |
| 2010 | Ibero-American Championships | San Fernando, Spain | 13th (h) | 400 m | 47.50 | |
| bgcolor=silver | 2nd | 4x400 m relay | 3:05.43 | |||
| 2011 | South American Championships | Buenos Aires, Argentina | bgcolor=gold | 1st | 4x400 m relay | 3:08.95 |
| 2013 | South American Championships | Cartagena, Colombia | bgcolor=silver | 2nd | 400 m | 46.38 |
| 3rd | 4x400 m relay | 3:08.60 | ||||
| World Championships | Moscow, Russia | 7th | 4x400 m relay | 3:02.19 | ||
| 2014 | Ibero-American Championships | São Paulo, Brazil | bgcolor=silver | 2nd | 4x400 m relay | 3:02.80 |
| 2015 | IAAF World Relays | Nassau, Bahamas | 5th | 4x400 m relay | 3:00.96 | |
| World Championships | Beijing, China | 12th (h) | 4x400 m relay | 3:01.05 | ||
| 2016 | Ibero-American Championships | Rio de Janeiro, Brazil | – | 4x400 m relay | DQ | |