Papyrus Oxyrhynchus 112 (P. Oxy. 112 or P. Oxy. I 112) is an invitation to a festival, written in Greek and discovered in Oxyrhynchus. The manuscript was written on papyrus in the form of a sheet. The document was written in the late 3rd or early 4th century. Currently it is housed in the Vaughan Library at the Harrow School in Harrow on the Hill.