Siem is a Dutch name for boys. The meaning is `The listener, Listening` The name Siem is most commonly given to Dutch boys. Siem is at number 40 in the top 50 of Dutch boys (average of 10 years data) What do they use in other countries? Simone (Italian, French) Sima Si Simon (English, French, Scandinavian, Hungarian, NAMES_Bibl) Simmer