Last name Siske (Siske 
) , in the entire world, is a rare cognomen. The family name Siske is habitual in Czechia, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States. Not in comparison with a country's population, the name is most common in the United States, Indonesia, and Czechia. Also, Siske is the forename as well as the last name.