| Alena Sitsko | |
| Fullname: | Alena Sitsko |
| Birth Date: | 4 December 1987 |
| Discipline: | Road |
| Role: | Rider |
| Proyears1: | 2010 |
| Proteam1: | Vaiano-Riverauto |
| Proyears2: | 2013–14 |
| Proteam2: | Forno d'Asolo–Astute |
Alena Sitsko (born 4 December 1987) is a Belarusian racing cyclist.[1] She competed in the 2013 UCI women's time trial in Florence.[2]