| 1978 Swedish Open | |
|---|---|
| Date | July 17 – July 23 |
| Edition | 31st |
| Category | Grand Prix (Two stars) |
| Draw | 32S/16D |
| Prize money | $75,000 |
| Surface | Clay / Outdoor |
| Location | Båstad, Sweden |
| Champions | |
| Singles | |
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| Doubles | |
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The 1978 Swedish Open was a men's tennis tournament played on outdoor clay courts held in Båstad, Sweden. It was part of the 1978 Grand Prix circuit. It was the 31st edition of the tournament and was held from July 17 through July 23, 1978. Björn Borg won the singles title.
Björn Borg defeated
Corrado Barazzutti 6–1, 6–2
Bob Carmichael /
Mark Edmondson defeated
Péter Szőke /
Balázs Taróczy 7–5, 6–4