Piae Cantiones ecclesiasticae et scholasticae veterum episcoporum (in English Devout ecclesiastical and school songs of the old bishops) is a finnish collection of late medieval Latin songs compiled by Jacobus Finno and published in 1582 by Theodoricus Petri Nylandensi, also known as Theodoric Petri of Nyland (ca. 1560- ca. 1630). It is also the oldest finnish song collection found. .