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Cognomen Syam (Syam , صيام , סיאם ) , globally, is a widespread family name. The family name Syam is characteristic of Palestinian Territory, where it is a common surname, Jordan, where it is quite a common surname, and Egypt (explore the name in all countries). Measured by absolute frequency, the name is most common in Indonesia, Egypt, and Palestinian Territory. Likewise, Syam is the forename as well as the last name.