A pet tag holder supports from a pet collar a pet tag having a hole. The pettag holdercomprises a flexible, resilient body including a major front wall, an opposedmajor rear wall, sideedge walls interconnecting the front and rear walls, a top edge wall, and abottom edge wall. Thetop and bottom edge walls are continuous with the side edge walls andinterconnect the front andrear walls. The body defines a hollow sleeve having an interior cavity adaptedfor receiving andenclosing at least one pet tag and a slot for inserting the tag into thesleeve.