Mary Ma or Ma Xuezheng (Chinese: 马雪征; 1952/53 – 31 August 2019) was a Chinese business executive and investor. She was Chief Financial Officer of the computer maker Lenovo. She played a key role in the company's acquisition of IBM's personal computer division in 2005. She was named by Forbes as the world's 57th most powerful woman in that year.

After retiring from Lenovo in 2007, she worked in private equity and co-founded Boyu Capital, which invested in companies such as Alibaba Group and Megvii.

Ma died on 31 August 2019 from pancreatic cancer at the age of 66.