# Thatiana Regina Ignácio

Thatiana Regina Ignácio (born 2 July 1983) is a retired Brazilian athlete who specialised in the sprinting events. She competed with her teammates in the 4 × 100 metres relay at the 2005 and 2007 World Championships finishing fifth on the first occasion. She won multiple medals at the regional level.
She has personal bests of 11.45 seconds in the 100 metres (2007) and 23.92 seconds in the 200 metres (2005).

## Competition record

| Year | Competition | Venue | Position | Event | Notes |
| Representing Brazil ||||||
| 1998 | World Youth Games | Moscow, Russia | 2nd | 100 m | 12.05 |
| 1998 | World Youth Games | Moscow, Russia | 7th | 4x100 m relay | 49.33 |
| 1998 | South American Youth Championships | Manaus, Brazil | 1st | 100 m | 12.04 |
| 1998 | South American Youth Championships | Manaus, Brazil | 2nd | 200 m relay | 25.00 |
| 1998 | South American Youth Championships | Manaus, Brazil | 1st | 4x100 m relay | 47.89 |
| 1999 | World Youth Championships | Bydgoszcz, Poland | 10th (sf) | 100 m | 11.94 |
| 1999 | World Youth Championships | Bydgoszcz, Poland | 52nd (h) | 200 m | 26.44 |
| 1999 | World Youth Championships | Bydgoszcz, Poland | 5th | Medley relay | 2:12.13 |
| 1999 | South American Junior Championships | Concepción, Chile | 2nd | 100 m | 11.73 |
| 1999 | South American Junior Championships | Concepción, Chile | 2nd | 4x100 m relay | 46.63 |
| 2000 | South American Junior Championships | São Leopoldo, Brazil | 1st | 100 m | 11.89 |
| 2000 | South American Junior Championships | São Leopoldo, Brazil | 3rd | 4x100 m relay | 47.39 |
| 2000 | World Junior Championships | Santiago, Chile | 8th | 100 m | 11.84 (wind: +2.0 m/s) |
| 2000 | South American Youth Championships | Bogotá, Colombia | 1st | 100 m | 11.55 (A) |
| 2000 | South American Youth Championships | Bogotá, Colombia | 2nd | 4x100 m relay | 46.15 (A) |
| 2000 | South American Youth Championships | Bogotá, Colombia | 1st | 4x400 m relay | 2:12.21 (A) |
| 2001 | South American Championships | Manaus, Brazil | 1st | 4x100 m relay | 44.32 |
| 2001 | South American Junior Championships | Santa Fe, Argentina | 1st | 100 m | 11.64 |
| 2001 | South American Junior Championships | Santa Fe, Argentina | 1st | 4x100 m relay | 45.09 |
| 2001 | Pan American Junior Championships | Santa Fe, Argentina | 1st | 100 m | 11.54 |
| 2001 | Pan American Junior Championships | Santa Fe, Argentina | 1st | 4x100 m relay | 45.36 |
| 2002 | Ibero-American Championships | Guatemala City, Guatemala | 2nd | 100 m | 11.49 |
| 2002 | Ibero-American Championships | Guatemala City, Guatemala | 1st | 4x100 m relay | 44.28 |
| 2002 | World Junior Championships | Kingston, Jamaica | 5th | 100 m | 11.79 (wind: -0.2 m/s) |
| 2002 | South American Junior Championships / South American Games | Belém, Brazil | 1st | 100 m | 11.57 (wind: +1.3 m/s) |
| 2002 | South American Junior Championships / South American Games | Belém, Brazil | 1st | 4x100 m relay | 45.30 |
| 2003 | South American Championships | Barquisimeto, Venezuela | 1st | 4x100 m relay | 44.16 |
| 2003 | Universiade | Daegu, South Korea | 3rd | 4x100 m relay | 45.79 |
| 2004 | South American U23 Championships | Barquisimeto, Venezuela | 1st | 100 m | 11.63 (wind: +0.0 m/s) |
| 2004 | South American U23 Championships | Barquisimeto, Venezuela | 1st | 4x100 m relay | 45.36 |
| 2005 | South American Championships | Cali, Colombia | 2nd | 4x100 m relay | 44.35 |
| 2005 | World Championships | Helsinki, Finland | 5th | 4x100 m relay | 42.99 |
| 2007 | South American Championships | São Paulo, Brazil | 1st | 4x100 m relay | 43.54 |
| 2007 | Pan American Games | Rio de Janeiro, Brazil | 6th | 4x100 m relay | 44.14 |
| 2007 | World Championships | Osaka, Japan | 15th (h) | 4x100 m relay | 44.64 |