Alphonse Guépin (17 February 1808 in Uzel – 8 December 1878 in Saint-Brieuc) was a French architect and building restorer.He was specialized in churches in Côtes-d'Armor.
Saint-Pierre church in Plessala
Saint-Gwénaël church in Lescouët-Gouarec
Church in Plouézec
Church in Lanrivain
Anatole-le-Braz school in Saint-BrieucHis main building was the Court in Saint-Brieuc, built in 1863.