Hassan Shamaizadeh (Persian: حسن شماعی‌زاده, also Romanized as Hasan-é Šamâ'izâde; born January 15, 1943, in Isfahan) is an Iranian pop singer, songwriter[1][2] and saxophonist.

Over the past three decades, he composed songs for artists like Googoosh,[3] Dariush, Moein, Ebi, Aref, Homeyra, Farhad and others.

He is noted for playing Persian music with quarter tones on the saxophone, which is a rare skill.

In the 1960's, he was one of the first members of the popular Persian band Black Cats and played the saxophone for them.

He was selected as the most popular male artist in 1976 by readers of the magazine Zan-e Rooz.