The 1983 Monterrey Cup, also known as the Copa Monterrey, was a men's tennis tournament played on indoor carpet courts in Monterrey, Mexico. The event was part of the 1983 Volvo Grand Prix circuit. It was the fifth and last edition of the tournament and was held from February 28 through March 6, 1983. First-seeded Sammy Giammalva won the singles title.
Sammy Giammalva defeated Ben Testerman 6–4, 3–6, 6–3
Nduka Odizor / David Dowlen defeated Andy Andrews / John Sadri 3–6, 6–3, 6–4