The 1972 Monte Carlo Open was a men's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Monte Carlo, Monaco . The tournament was part of the WCT Tour, which was incorporated into the 1972 Commercial Union Assurance Grand Prix circuit. It was the 66th edition of the event and was held from March 27 through April 3, 1972. Ilie Năstase won the singles title.
Ilie Năstase defeated František Pála 6–1, 6–0, 6–3
Patrice Beust / Daniel Contet defeated Jiří Hřebec / František Pála 3–6, 6–1, 12–10, 6–2