|1978 Monte Carlo Open|
|Category||Grand Prix circuit (WCT)|
|Draw||32S / 16D|
|Surface||Clay / outdoor|
|Venue||Monte Carlo Country Club|
|Raúl Ramírez |
|Peter Fleming / Tomá? ?míd|
The 1978 Monte Carlo Open was a men's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France. The tournament was part of the WCT Tour, which was incorporated into the 1978 Colgate-Palmolive Grand Prix circuit. It was the 72nd edition of the event and was held from 10 April through 16 April 1978. Raúl Ramírez, the no. 5 seed, won the singles title.