| Essi Laine | |
| Birth Date: | 27 July 1984 |
| Birth Place: | Lahti, Finland |
| Turnedpro: | 2002 |
| Retired: | 2008 |
| Plays: | Right-handed (double-handed backhand) |
| Careerprizemoney: | $5,498 |
| Singlesrecord: | 6 - 22 |
| Highestsinglesranking: | 939 (8 September 2003) |
| Doublesrecord: | 26 - 31 |
| Doublestitles: | 2 ITF |
| Highestdoublesranking: | 444 (11 April 2005) |
| Team: | yes |
| Fedcupresult: | 9–15 |
Essi Laine (born 27 July 1984) is a retired Finnish tennis player.
Laine won two doubles titles on the International Tennis Federation (ITF) tour in her career, both in 2004. On 11 April 2005, she peaked at world number 444 in the doubles rankings. Her doubles partner was, Emma Laine, her younger sister. On 8 September 2003, she reached her best singles ranking of world number 939.
Representing Finland at the Fed Cup, Laine has a win–loss record of 9–15.
Essi Laine retired from tennis 2008.
Laine was born in Lahti, Finland. Her mother, Erika, was a Finnish Championship swimmer and her late father, Erkki Laine, was a professional ice hockey player who won a silver medal 1988 Calgary Olympics with the Finnish national team. Her younger sister, Emma, played tennis professionally until 2019.
| $100,000 tournaments | |
| $75,000 tournaments | |
| $50,000 tournaments | |
| $25,000 tournaments | |
| $10,000 tournaments |
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents in the final | Score in the final | |
|---|---|---|---|---|---|---|---|---|
| Winner | 1. | 16 February 2004 | Capriolo, Italy | Carpet (i) |  Emma Laine | Jolanda Mens Stefanie Weis | 6–3, 6–3 | |
| Winner | 2. | 13 September 2004 | Manchester, United Kingdom | Hard (i) | Emma Laine |  Hannah Collin Anna Hawkins | 6–4, 6–4 | |
| Runner-up | 3. | 15 August 2005 | Helsinki, Finland | Hard | Emma Laine | Maria Geznenge  Stefanie Haidner | 5–7, 6–2, 4–6 |