Gedde is a surname. Notable people with this surname include:
Caroline Gedde-Dahl (born 1973), Norwegian alpine skier (1729-1798), Danish cartographer, known for Gedde's maps of Copenhagen Dagfinn Gedde-Dahl (1937–2016), Norwegian physician Dietmar Gedde (born 1936), German sailor (1779-1833), Danish officer Tobias Gedde-Dahl (1903–1994), Norwegian physician Walter Gedde, English designer
As given name Gedde Watanabe (born 1955), American actor and comedian
Fictional characters Malia Gedde, from Gabriel Knight