| Fiordaliza Cofil | |
| Nationality: | Dominican |
| Birth Date: | 27 October 2000 |
| Country: | Dominican Republic |
| Sport: | Track and Field |
| Event: | Sprint |
Fiordaliza Cofil (born 27 October 2000)[1] is an athlete from the Dominican Republic who competes as a sprinter. She won the gold medal in the mixed 4 x 400 metres relay at the 2022 World Athletics Championships. Cofil holds Dominican Republic records in the 100 metres, as well as the women's and mixed 4×400 m relay.
At the 2022 World Championships in Eugene, Oregon, Cofil ran the anchor leg of the mixed 4x400 m relay and chased down American Kennedy Simon to clinch only the third ever gold medal at the Games for her country (alongside Lidio Andrés Feliz, Marileidy Paulino and Alexander Ogando).[2] [3]
She ran as part of the 4x100m relay team at the 2024 World Relays Championships in Nassau, Bahamas.[4]
| 2018 | World U20 Championships | Tampere, Finland | 14th (sf) | 400 m | 53.94 | |
| 7th | 4x400 m relay | 3:34.09 | ||||
| CAC Games | Barranquilla, Colombia | bgcolor=silver | 2nd | 400 m | 52.72 | |
| 4th | 4x400 m relay | 3:33.64 | ||||
| 2021 | NACAC U23 Championships | San José, Costa Rica | bgcolor=gold | 1st | 200 m | 23.89 |
| 3rd | 400 m | 53.83 | ||||
| Pan American U23 Games | Cali, Colombia | 3rd | 200 m | 23.46 | ||
| bgcolor=gold | 1st | 400 m | 52.10 | |||
| 4th | 4x100 m relay | 44.86 | ||||
| – (f) | 4x400 m relay | |||||
| 3rd | 4x400 m mixed | 3:28.28 | ||||
| 2022 | Ibero-American Championships | La Nucia, Spain | bgcolor=silver | 2nd | 400 m | 50.64 PB |
| bgcolor=gold | 1st | 4x100 m relay | 43.81 | |||
| 3rd | 4x400 m relay | 3:33.41 SB | ||||
| World Championships | Eugene, OR, United States | 6th | 400 m | 50.57 | ||
| bgcolor=gold | 1st | 4x400 m mixed | 3:09.82 NR |