Oboro-guruma is a Japanese specter of gissha (ox cart) depicted by Sekien TORIYAMA in the collection of specters "Konjaku Hyakki Shui" (Ancient and Modern Gleanings of the Haunted Demon) in the Edo period.
朧車（おぼろぐるま）は、鳥山石燕による江戸時代の妖怪画集『今昔百鬼拾遺』にある日本の妖怪の一つで、牛車の妖怪。