Osei is a given name or surname, and may refer to:
Emmanuel Osei (born 1981), Ghanaian football player
Emmanuel Osei Kuffour (born 1976), Ghanaian football player
Mikki Osei Berko, Ghanaian-born actor
Nana Osei Bonsu II (born 1939), regent of the Ashanti Kingdom
Osei Bonsu (died 1824), Asantehene
Osei Kofi Tutu I (died 1717), founder of the Ashanti Confederacy
Osei Kwadwo, Ashanti king
Osei Kwame Panyin, Asantehene
Osei Sankofa (born 1985), Charlton Athletic F.C. footballer
Otumfuo Nana Osei Tutu II (born 1950), Asantehene
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