Ismo Kullervo Alanko (born November 12, 1960 in Helsinki) is a Finnish musician. He is known as the frontman of several bands, most famously Hassisen Kone, Sielun Veljet and Ismo Alanko Säätiö, as well as a successful solo artist.
Alanko is known for his versatility and interest in different musical styles. During his career he has recorded punk rock, alternative rock, progressive rock, electronic music, schlager, dance music, children's music and film scores. He has achieved eight platinum records, 16 gold records and four Emma awards. Also a recognized lyricist, Alanko won the Juha Vainio Writer's Award (Juha Vainio -sanoittajapalkinto) in 2003 for his song texts.