Poppintree (Irish: Crann Phapáin), is a neighbourhood of the large outer suburb of Ballymun, Dublin, Ireland.
It is principally bordered by other parts of Ballymun, and Finglas, and to a modest extent by Ballygall.
[1] the Poppintree Sports and Community Complex[2] The name is derived from the townland[3] in the civil parish of Santry (Ballymun was established primarily on Santry lands).
It borders a smaller townland of the same name to the west the parish of Finglas.
[4] The area was the site of a large tree under which was held an annual commemoration service to Saint Pappan on the last day of July.