The 1974 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 Red Group of the 1974 World Championship Tennis circuit.

Unseeded Andrew Pattison won the singles title.

Andrew Pattison defeated Ilie Năstase 5–7, 6–3, 6–4 John Alexander / Phil Dent defeated Manuel Orantes / Tony Roche 7–6, 4–6, 7–6, 6–3 This article about sports in Monaco is a stub.

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