Cognomen Syva (Syva 
, Сыва 
) , in the entire world, is a rare surname. The cognomen Syva is characteristic of Kyrgyzstan, where it is a rare surname, Czechia, and Indonesia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Indonesia, the United States, and Kyrgyzstan. Also, Syva is the forename as well as the last name.