Pieter Jan Leusink (born April 5, 1958 in Elburg) is a Dutch conductor of classical music. He studied organ in Zwolle at the Municipal Conservatory and took conducting lessons from Gottfried van der Horst. He founded the Stadsknapenkoor Elburg (Elburg City Boys' Choir) in April 1981 and founded three musical events in Elburg's St Nicholas Church, a Festival of Lessons and Carols in December, J.S. Bach's St Matthew Passion (BWV 244) during the Easter season, and summer concerts in July and August. He began conducting the Holland Boys Choir in 1984; currently it has 80 singers.