Koululainen is a Finnish magazine directed at children and youths. It treats, among other things, schooling, music, books, pets and sport. The magazine is published once per month. In addition to articles, the magazine contains lots of different competitions. A special, thicker, issue called Räppäri, appears in the summer.

Koululainen was founded in 1944. The editor-in-chief of the magazine is Sirkku Kuusava.