Ali Sina may refer to:

• Abu Ali Sina (980–1037) is a, Persian philosopher, physician, scientist and poet.
• Ali Sina (activist), pseudonym of the founder of several anti-Islam and anti-Muslim websites.
• Ali Sina Rabbani, an Iranian football midfielder.

• Bu-Ali Sina University, a university in Hamedan, Iran.
• Alisina, a Cambrian genus of Obolellid brachiopod.

This disambiguation page lists articles associated with the title Ali Sina.
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