Diana Pang Li Yen (; born ) is a Singaporean business executive and a Member of Parliament (MP) of the 15th Parliament of Singapore after a walkover was declared for Marine Parade–Braddell Heights Group Representation Constituency (GRC) in the 2025 Singaporean general election.
Education.
In 1997, Pang graduated from Curtin University with a double degree in accounting and business management. 
Career.
Diana Pang is a business development director in the areas of audit, tax and business advisory. In 2019, she became a registered solemniser. Additionally, as of March 2025, she is the second vice-president of Singapore Council of Women's Organisations, and chairs People’s Association Women’s Integration Network Council and the Fengshan Women’s Executive Committee.
During the 2025 general election, Pang was fielded with Tin Pei Ling, Goh Pei Ming, Muhammad Faishal Ibrahim, and Seah Kian Peng to contest the Marine Parade–Braddell Heights GRC. On 23 April 2025, on nomination day, there were no other parties contending for the constituency and a walkover was declared. Pang was therefore elected as a MP with the rest of her PAP team.
Personal life.
Pang is married and has a daughter.