Joachim Govertsz Camphuysen, was a Dutch Golden Age landscape painter.

According to the RKD he was the son of a surgeon and the nephew of the painter Dirk Rafaelsz Camphuysen. His brother Rafaël Govertsz Camphuysen studied with him, and his cousin of the same name (Dirk's son Rafaël) also became a painter. His sister Lysbeth married the artist Aert van der Neer who followed his style. He also influenced the painter Pieter van Asch.