Per Hjertquist (born 6 April 1960) is a former professional tennis player from Sweden. During his career he won one main tour singles title the Sofia Grand Prix, and 4 satellite titles, and one main tour doubles title. He achieved a career-high singles ranking of world No. 68 in 1980 and a career-high doubles ranking of world No. 106 in 1985. As a junior, he was ranked 2nd after Ivan Lendl, and in 1978, became the US Open boys' singles champion.
| Loss | 0–1 | Oct 1979 | Tel Aviv, Israel | Hard | Tom Okker | 4–6, 3–6 |
| Win | 1–1 | Dec 1980 | Sofia, Bulgaria | Carpet | Vadim Borisov | 6–3, 6–2, 7–5 |
| Loss | 1–2 | Oct 1981 | Tel Aviv, Israel | Hard | Mel Purcell | 1–6, 1–6 |
| Win | 1–0 | Oct 1980 | Tel Aviv, Israel | Hard | Steve Krulevitz | Eric Fromm Cary Leeds | 7–6, 6–3 |
|
|