The 1974 Pacific Southwest Open was a men's tennis tournament played on outdoor hard courts at the Los Angeles Tennis Club in Los Angeles, California in the United States.

The event was categorized as an AA Group tournament and was part of the 1974 Grand Prix tennis circuit.

First-seeded and defending champion Jimmy Connors won the singles title after having survived two matchpoints in his first round match against Mal Anderson.

[3] With his victory Connors earned $16,000 first prize money as well as 80 Grand Prix ranking points.

[4] Jimmy Connors defeated Harold Solomon 6–3, 6–1 Ross Case / Geoff Masters defeated Brian Gottfried / Raúl Ramírez 6–3, 6–2