Albert Timmer (born 13 June 1985) is a Dutch former road bicycle racer, who competed professionally between 2007 and 2017, exclusively for Team Sunweb and its previous squad iterations. During his career, Timmer competed in – and finished all – eleven Grand Tours between 2009 and 2017, but did not win any professional races as an individual.

Since retiring as a rider, he has worked as a coach and directeur sportif for Development Team Sunweb, and the Team Picnic PostNL women's squad.