Sébastien Reichenbach (born 28 May 1989) is a Swiss cyclist, who rides for UCI ProTeam Tudor Pro Cycling Team. During his professional career, he has also competed for Atlas Personal (2010–2011), IAM Cycling (2013–2015), and Groupama–FDJ (2016–2022).

Since turning professional, Reichenbach has taken two career victories – the 2013 Trofeo Matteotti and the 2019 Swiss National Road Race Championships.