| Olli Rahnasto | |
| Birth Date: | 1965 12, df=y |
| Birth Place: | Seinäjoki, Finland |
| Plays: | Right-handed |
| Careerprizemoney: | $245,624 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 88 (13 Feb 1989) |
| Frenchopenresult: | 2R (1989) |
| Wimbledonresult: | 1R (1989) |
| Usopenresult: | 2R (1989) |
| Doublestitles: | 2 |
| Highestdoublesranking: | No. 79 (26 May 1986) |
| Australianopendoublesresult: | 1R (1993) |
| Frenchopendoublesresult: | 2R (1989) |
| Wimbledondoublesresult: | 2R (1988, 1992) |
| Usopendoublesresult: | 2R (1986, 1992) |
Olli Rahnasto (born 28 December 1965) is a retired professional tennis player from Finland.
Rahnasto turned pro in 1982. During his career, he won two ATP Tour doubles titles and reached a career high doubles ranking of No. 79 in 1986.[1] He was a member of the Finland Davis Cup team, and led the team to the World Group Qualifying round in 1990.[2] He retired in 1995.
| Result | W/L | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Aug 1985 | Cleveland, United States | Hard |  Leo Palin |  Hank Pfister Ben Testerman | 6–3, 6–7, 7–6 | |
| Loss | 1–1 | Oct 1991 | Athens, Greece | Clay |  Menno Oosting | Jacco Eltingh Mark Koevermans | 7–5, 6–7, 5–7 | |
| Loss | 1–2 | Aug 1992 | Long Island, United States | Hard |  Gianluca Pozzi | Francisco Montana Greg Van Emburgh | 4–6, 2–6 | |
| Win | 2–2 | Aug 1993 | San Marino | Clay |  Daniel Orsanic | Juan Garat Roberto Saad | 6–4, 1–6, 6–3 |