| Personal information | |
|---|---|
| Full name | Unai Osa Eizaguirre |
| Born |
12 June 1975 Zestoa, Spain |
| Team information | |
| Current team | Retired |
| Discipline | Road |
| Role | Rider |
| Professional team(s) | |
| 1997–2005 | Illes Balears-Banesto |
| 2006 | Liberty Seguros-Würth |
Unai Osa Eizaguirre (born 12 June 1975 in Zestoa) is a Spanish former road bicycle racer. He is the younger brother of Aitor Osa. He was involved in the Operación Puerto doping case.