Gerke and Gercke are German surnames. Notable people with these surnames include:
People named Gerke Florence Holmes Gerke (1896–1964), American landscape architect and newspaper editor Friedrich Clemens Gerke (1801–1888), German writer, journalist, musician and pioneer of telegraph Jack Gerke (1916–2005), Australian Second World War and Korean War veteran Sabine Gerke (born 1971), German tennis player
People named Gercke Achim Gercke (1902–1997), German politician Alfred Gercke (1860–1922), German classical philologist Daniel James Gercke (1874–1964), American Roman Catholic bishop Doris Gercke (1937–2025), German writer Lena Gercke (born 1988), German fashion model and television host
See also Susan Oliver (born Charlotte Gercke, 1932–1990), American actress, television director, aviator, and author Friedrich Clemens Gerke Tower, a telecommunication tower in Cuxhaven, Germany