The 1978 Virginia Slims of Detroit was a women's tennis tournament played on indoor carpet courts at the Cobo Hall & Arena in Detroit, Michigan in the United States that was part of the 1978 Virginia Slims World Championship Series. It was the seventh edition of the tournament and was held from February 21 through February 26, 1978.[1] First-seeded Martina Navratilova won her second consecutive singles title at the event and earned $20,000 first-prize money.[2] [3]
Martina Navratilova defeated 
Dianne Fromholtz 6–3, 6–2
Billie Jean King / Martina Navratilova defeated Kerry Reid / Wendy Turnbull 6–3, 6–4
| Event | W | F | 3rd | 4th | QF | Round of 16 | Round of 32 | ||
| style=background:#efefef | Singles | $20,000 | $10,500 | $6,300 | $5,500 | $2,800 | $1,550 | $850 |
|---|