| Kacio Fonseca | |
| Fullname: | Kacio Fonseca da Silva Freitas |
| Birth Date: | 13 May 1994 |
| Discipline: | Track cycling |
| Role: | Rider |
| Ridertype: | team sprint |
| Show-Medals: | yes |
Kacio Fonseca da Silva Freitas (born 13 May 1994) is a Brazilian male track cyclist. He competed in the team sprint event at the 2015 UCI Track Cycling World Championships.[1]