Ma Jin (simplified Chinese: 马晋; traditional Chinese: 馬晉; pinyin: Mǎ Jìn; born 7 May 1988) is a badminton player from China who specialises in women's and mixed doubles.

[1] She partnered Wang Xiaoli in women's doubles and excelled in the category until 2010 when both players are split after China failed to defend their Uber Cup against South Korea in Kuala Lumpur.

Ma Jin had tasted successes in mixed with several partners, notably Zheng Bo, He Hanbin and Xu Chen.

Her career success includes an Olympic silver medal in mixed doubles with Xu Chen at the London 2012 Olympics and a World Championship title which she won with a different partner, Zheng Bo in 2010 at Paris.

[3] Successful players are invited to the Superseries Finals, which are held at the end of each year.