The 1981 Grand Marnier Tennis Games was a men's professional tennis tournament played on outdoor hard courts. It was the eighth edition of the tournament and was part of the Super Series of the 1981 Volvo Grand Prix. It was played at the La Quinta Resort and Club in La Quinta, California in the United States and was held from February 16 through February 22, 1981. First-seeded Jimmy Connors won the singles title.
See main article: 1981 Grand Marnier Tennis Games – Singles. 
Jimmy Connors defeated Ivan Lendl 6–3, 7–6
See main article: 1981 Grand Marnier Tennis Games – Doubles. Bruce Manson / Brian Teacher defeated Terry Moor / Eliot Teltscher 7–6, 6–2