Alo Mattiisen (22 April 1961 – 30 May 1996) was an Estonian musician and composer.

One of the most famous melodies that he composed was a patriotic song titled "No land is alone", with lyrics written by the Estonian poet Jüri Leesment. Several other of his patriotic compositions became staples for the Singing Revolution including the ‘Five Patriotic Songs’ series.

Alo Mattiisen was born in the town of Jõgeva. His father was Evald Mattiesen. In 1984, Mattiisen graduated from the Tallinn State Conservatory, becoming a specialist in pedagogy of music. In 1988, he graduated from the same school, becoming a specialist in composition.