Essi Laine (born 27 July 1984) is a retired Finnish female tennis player.
Laine has won two doubles titles on the ITF tour in her career. On 8 September 2003, she reached her best singles ranking of world number 939. On 11 April 2005, she peaked at world number 444 in the doubles rankings.
Playing for Finland at the Fed Cup, Laine has a win–loss record of 9–15.
Essi Laine retired from tennis 2008.
ITF Doubles Circuit finals: 3 (2–1)
|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
|Winner||2.||13 September 2004||Manchester, United Kingdom||Hard (i)||Emma Laine|| Hannah Collin
|Runner-up||3.||15 August 2005||Helsinki, Finland||Hard||Emma Laine|| Maria Geznenge
|5–7, 6–2, 4–6|