The Buick Riviera is a personal luxury car that was marketed by Buick from 1963 to 1999, with the exception of the 1994 model year.

Personal luxury car is a North American car classification describing somewhat sporty, sophisticated mass-market coupés that emphasized comfort over performance. The North American manufacturers most often combined engineering, design, and marketing to develop upscale, distinctive "platform sharing" models that became highly profitable.