Anđelko Klobučar was a Croatian composer, organist, and professor of music.

Born in Zagreb, Klobučar studied at the Zagreb Academy of Music and later in Salzburg and Paris. He was the organist of the Zagreb Cathedral and remained an active teacher and composer. He was awarded the Vladimir Nazor Award for Life Achievement in Music in 1995 and the Porin Lifetime Achievement Award in 2002. Klobučar was a full member of the Croatian Academy of Sciences and Arts since 1992.