Armand Séguin, born in 1869 in Paris, was a Post-Impressionist French painter. Very little is known about his origins or his early education. Seguin is first documented in 1891 in Pont-Aven, where he met several Pont-Aven artists, exhibited locally and penned reviews for a local newspaper. He returned to Pont-Aven in 1892 and met Renoir, Amiet and Bernard.
In 1893, Seguin was introduced to Gauguin, who gave him lessons, and in 1895, wrote the catalogue introduction for Seguin’s one-man show. During that same year, Seguin collaborated with Roderic O'Conor at Le Pouldu, near Pont-Aven in Brittany. Seguin introduced O'Conor to the technique of etching and, together, they produced a number of etchings.
Destitute and an alcoholic, Seguin moved constantly from Paris, Normandy, Savoy, Brussels and Brittany, searching for stability. He spent the last years of his life in Brittany, living in Sérusier’s home in Châteauneuf-du-Faou, where he died in 1903 at the age of 34.