Eileen Nicole Leung Chii Lin (born 11 February 1991) is a Malaysia retired competitive swimmer, who specialised in sprint freestyle events.
She represented her nation Malaysia at the 2008 Summer Olympics, and has won a career total of three medals (two silver and one bronze) in an international competition, spanning two editions of the Southeast Asian Games (2007 and 2009).Leung competed as a member of the Malaysian swimming squad in the women's 50 m freestyle at the 2008 Summer Olympics in Beijing.
Leading up to the Games, she smashed a national record and a FINA B-cut time of 26.18 seconds at the Malaysian Open Championships in Bukit Jalil.
Leung rounded out the field in heat eight out of twelve to last place and forty-eighth overall with a 26.75, just 0.57 seconds off her entry standard.Besides that, Leung has also held the 4x 100m Freestyle Relay Malaysia national records of 3.51.40 seconds.
Leung successes have earned her Sabah Most Promising Sportswomen Award in 2005, and, Sabah Sport Women Award in 2008.