The Cedar Grove Open is a defunct tennis tournament that was played on the Grand Prix tennis circuit in 1974. The event was held in Cedar Grove, New Jersey. Sammy Giammalva, Jr. won the singles title while Chris Mayotte and Richard Meyer partnered to win the doubles title.
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 1974 | Ilie Năstase | Juan Gisbert, Sr. | 6–4, 7–6 |
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 1974 | Kim Warwick Steve Siegel |
Dick Crealy Bob Tanis |
4–6, 6–2, 6–1 |
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