The first name Sina is ♀ female and ♂ male.
Sina is a name for boys (especially in Persian) and girls (especially in Germany) and has various origins. It is a short form of names ending with “-sina”, e.g. Rosina. It can be a form fo Johanna, in Russia it is a short form of Sinaida.
Sina means “strength”, “victory”, “rose” and “beauty”.