The ATP Linz is a defunct men's tennis tournament that was played on the Grand Prix tennis circuit in 1979, 1981 to 1982. The event was held in Linz, Austria and was played on various surfaces.
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| 1979 | 6–3, 6–4, 7–6 | |||
| 1980 | Not held | |||
| 1981 | 7–5, 6–1 | |||
| 1982 | 6–4, 4–6, 6–4 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| 1979 | 6–1, 6–4 | |||
| 1980 | Not held | |||
| 1981 | 6–4, 7–6 | |||
| 1982 | 6–2, 6–0 |