The 1975 Majestic International, also known as the Denver Women's Open, was a women's tennis tournament played on indoor carpet courts at the Denver Auditorium Arena in Denver, Colorado in the United States.

The event was part of the USTA–WTA Summer/Fall Circuit of the 1975 WTA Tour.

It was the fourth edition of the tournament and was held from September 22 through September 28, 1975.

[1] First-seeded Martina Navratilova won the singles title and earned $10,000 first-prize money.

Martina Navratilova defeated Carrie Meyer 4–6, 6–4, 6–3 Françoise Dürr / Betty Stöve defeated Rosemary Casals / Martina Navratilova 3–6, 6–1, 7–6