Robert Weinhauer (born May 23, 1939) is an American former basketball coach and executive. He served as the head basketball coach at the University of Pennsylvania from 1977 to 1982 and at Arizona State University from 1982 to 1985, compiling a career college basketball record of 143–90. Weiner led the Penn Quakers to the Final Four of the 1979 NCAA Division I basketball tournament. Weinhauer spent one season, 1985–86, as the head coach for the Detroit Spirits of the Continental Basketball Association (CBA) before moving to the National Basketball Association, where he worked as an assistant coach, scout, and executive. He served as the general manager for the Houston Rockets from 1994 to 1996 and the Milwaukee Bucks from 1997 to 1999.