Kokko is a Finnish surname. Notable people with the surname include:
Aleksandr Kokko (born 1987), Soviet Union-born Finnish footballer Hanna Kokko (born 1971), Finnish biologist Nikke Kokko, Finnish ice hockey goaltender
Väinö Kokko (1880–1943), Finnish politician Vesa Kokko, Finnish wheelchair curler and coach Yrjö Kokko (1903–1977), Finnish veterinarian and writer