Yasaman (یاسمن) is the Persian word for "jasmine" — the fragrant white flower. Yasaman gave the English word "jasmine" through Arabic.
Yasaman is widely used in Iran.
Yasaman does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
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In Pythagorean numerology the letters of Yasaman reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.