Stephen "Steve" Jay (born January 26, 1951) is a bassist best known for working with the singer-songwriter "Weird Al" Yankovic.
Jay was born in Florida. He auditioned for Yankovic after answering an ad in the newspaper, and the two have worked together ever since. Jay can be heard or seen on all of Yankovic's albums, videos, and concerts.
He is also the founder of the of the ethno-funk duo, Ak & Zuie, with Pete Gallagher. He has scored more than fifty nationally broadcast PBS specials and series episodes, including three George Foster Peabody Award winners, and contributed to several feature films. He's also done extensive session work, released eight solo records on his own Ayarou label, and produced two albums for the WEA Nonesuch Explorer series.