Armindo Fonseca (born 1 May 1989) is a French former racing cyclist, who rode professionally for the Fortuneo–Samsic team – through various team names – from 2011 to 2018. During his career, Fonseca took two professional victories, both of which came in 2014, with a stage win at the Boucles de la Mayenne and a win in the Tour de Vendée one-day race. He also competed in the Tour de France on three occasions – in 2014, 2015 and 2016.