Last name Sisne (Cisne 
, Sisne 
) , across the world, is quite a rare family name. The cognomen Sisne is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Costa Rica, where it is a rare surname, and Guatemala. Not in comparison with a country's population, the name is most common in Brazil, Nicaragua, and the United States. Much less frequently, Sisne is the forename as well as the last name.