1978 Virginia Slims of Houston
The 1978 Virginia Slims of Houston was a women's tennis tournament played on indoor carpet courts at the Astro Arena in Houston, Texas in the United States that was part of the 1978 Virginia Slims World Championship Series. It was the eighth edition of the tournament and was held from January 16 through January 22, 1978. First-seeded Martina Navratilova won the singles title and earned $20,000 first-prize money. The doubles event was sponsored as the Bridgestone Doubles of Houston.
Finals
Singles
Martina Navratilova defeated Billie Jean King 1–6, 6–2, 6–2Doubles
Billie Jean King / Martina Navratilova defeated Mona Guerrant / Greer Stevens 7–6, 4–6, 7–6Prize money
| Event | W | F | 3rd | 4th | QF | Round of 16 | Round of 32 |
| Singles | $20,000 | $10,500 | $6,300 | $5,500 | $2,800 | $1,550 | $850 |