Andreas Dilthey (born February 8 1957) is a German architect. He was born in 1957 in Rheydt, Germany. His works usually include ecological housing estates such as in Aachen, construction projects in developing countries (Afghanistan, Africa etc.), the interiors of churches such as Saint-Gereon and Saint-Mary in Cologne.

Each summer, in France, he has a show of his works in Audresselles, (Pas-de-Calais).