Senjafuda (also referred to as Senshafuda) is a card or slip stuck to shrines and temples on which visitor's name is printed as a memorial of the visit.
千社札（せんしゃふだ、せんじゃふだ）とは、神社や仏閣に参拝をした記念として貼る、自分の名前入りの札のこと。