| Adelly Santos | |
| Nickname: | Duda |
| Sport: | Track and field |
| Event: | 100 metres hurdles |
| Birth Date: | 8 July 1987 |
| Birth Place: | Londrina, Brazil[1] |
| Height: | 1.76m (05.77feet)[2] |
| Weight: | 68kg (150lb) |
| Club: | Clube Atletismo BM&FBovespa |
| Coach: | Katsuhico Nakaya |
Adelly Oliveira Santos (born 8 July 1987 in Londrina) is a Brazilian athlete specialising in the 100 metres hurdles. She represented her country at the 2015 World Championships without advancing from the heats.
Her personal best in the event is 13.06 seconds set in São Bernardo do Campo in 2015.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2015 | South American Championships | Lima, Peru | 3rd | 100 m hurdles | 13.53 | |
| bgcolor=silver | 2nd | 4 × 100 m relay | 44.43 | |||
| Pan American Games | Toronto, Ontario, Canada | 8th (h) | 100 m hurdles | 13.08 (w) | ||
| World Championships | Beijing, China | 30th (h) | 100 m hurdles | 13.29 | ||
| 2019 | South American Championships | Lima, Peru | 3rd | 100 m hurdles | 13.64 | |