| Alberto Fernández Sainz | |
| Birth Place: | Barros, Cantabria, Spain |
| Currentteam: | Retired |
| Role: | Rider |
| Amateuryears1: | 2003 |
| Amateurteam1: | Cropusa–Burgos |
| Amateuryears2: | 2004 |
| Amateurteam2: | Café Baqué amateur |
| Amateuryears3: | 2005 |
| Amateurteam3: | Camargo-Roper |
| Amateuryears4: | 2007 |
| Amateurteam4: | Supermercados Froiz |
| Amateuryears5: | 2017 |
| Amateurteam5: | Gomur–Liébana 2017 |
| Proyears1: | 2008–2010 |
| Proyears2: | 2016 |
Alberto Fernández Sainz (born 15 November 1981 in Barros, Cantabria) is a Spanish former professional cyclist.[1] His father Alberto Fernández Blanco was a professional cyclist from 1978 to 1984.