David Jason Horwitz (born 30 September 1994), commonly referred to as Dave, is an Australian rugby union player who plays as a Centre for Irish rugby club Connacht.
Domestically he is contracted to the New South Wales Country Eagles who compete in the National Rugby Championship.
His regular playing position is fly-half, however, Horwitz has played multiple positions in the past, including Centre.
Horwitz has represented Australia at schoolboy and under-20 level.
Horwitz is contracted with Connacht for the 2018–19 seasons.
As of 2018 Horwitz was the only Jew to play in the Super Rugby for an Australian club.