Elizabeth Choy Su-Moi OBE (née Yong; 29 November 1910 – 14 September 2006) was a Singaporean educator and councillor who is regarded as a war heroine in Singapore.

R. H. Scott, a former director of the British Ministry of Information (Far Eastern Branch) and principal witness at the War Crimes Court in Singapore, later testified that he saw Choy being stripped and severely beaten "on at least one occasion".

[2] At the Japanese surrender in Singapore in September 1945, Choy was invited by Lady Mountbatten to witness the official ceremony, where she was escorted by the governor, Sir Shenton Thomas, and his wife, to whom she had sent medicine in Changi Prison.

In addition, Choy received the honour of having a half-hour private audience with Queen Elizabeth at St James's Palace on 25 July 1946.

Intent on studying art but without the finances for this venture, Choy began a stint as an artist's model, posing for two sculptures, "Serene Jade" and "Flawless Crystal", by the sculptor Dora Gordine.

From 1951 to 1955, Choy was nominated by the Governor to the Legislative Council of Singapore, where she spoke frequently on behalf of the poor and needy, and campaigned for the development of social services and family planning.

Choy was also noted for wearing traditional Chinese and Indian clothing, qipaos and bangles, which earned her the nickname "Dayak Woman of Singapore".

On 11 September 1995, a column on Choy, titled "She paid 40 cents for me to have this picture", was published in the Singapore newspaper The Straits Times.

The exhibition was considered unique for a living woman in Singapore history, tracing her life as a nurse, her travels to the United Kingdom to meet royalty, her 22-year teaching career at St Andrew's School, and her vast contributions to the less fortunate.

The first time was in The Price of Peace, a Chinese-language drama series aired on TCS Eighth Frequency (now MediaCorp Channel 8) in 1997, in which she appeared as a semi-fictional character and was portrayed by actress Xiang Yun.