| 1978 ABN World Tennis Tournament | |
|---|---|
| Date | 3 – 9 April |
| Edition | 6th |
| Category | Grand Prix circuit (WCT) |
| Prize money | $175,000 |
| Surface | Carpet / Indoor |
| Location | Rotterdam, Netherlands |
| Venue | Ahoy Rotterdam |
| Champions | |
| Singles | |
|
|
|
| Doubles | |
|
|
|
The 1978 ABN World Tennis Tournament was a men's tennis tournament played on indoor carpet courts at Ahoy Rotterdam in the Netherlands. It was a World Championship Tennis (WCT) event that was part of the 1978 Colgate-Palmolive Grand Prix circuit. It was the sixth edition of the tournament and was held from 3 April through 9 April 1978. First-seeded Jimmy Connors won the singles title.
Jimmy Connors defeated
Raúl Ramírez 7–5, 7–5
Fred McNair /
Raúl Ramírez defeated
Robert Lutz /
Stan Smith 6–2, 6–3