Paul Richard Carl Grunwaldt (born January 18, 1891, Berlin; died June 7, 1962, Weingarten (Württemberg), Germany) was a German painter and representative of Berlin Expressionism. He was a member of the artists' association Novembergruppe.
Paul Grunwaldt left behind an extensive artistic oeuvre. His wife, who died in 1983, wished that the paintings go to his hometown. Large parts of his artistic estate were donated to the Reinickendorf district, a borough of Berlin, where he lived for thirty years.