Irwin Tieng

William Irwin Chua Tieng (born November 21, 1980) is a Filipino politician and businessman. He is currently serving as representative of the 5th district of Manila since 2022. He is currently a member of the National Unity Party and the Asenso Manileño local party. A member of the Tieng family of businessmen, he was first elected to Congress as a Buhay Party-List representative in 2007.

As a partylist representative, Tieng authored a house bill reducing the amusement tax imposed on local films from 30% to 10% that was signed into law in 2009, culminating more than two decades of attempts to lower the film tax.

Early life and education Tieng was born on November 21, 1980, in Quezon City to William Y. Tieng and Aida Tieng (née Chua). He studied De La Salle–College of Saint Benilde with the degree of Business Administration and took up the master's degree at the Ateneo de Manila University, where he finished with the degree of Master of Business Administration.

Political career In 2007, Tieng won as nominee for the Buhay Party-List, eventually serving for three consecutive terms. In December 2009, a Tieng-authored house bill that reduced the amusement tax imposed on local films from 30% to 10% was signed into law as Republic Act No. 9640, culminating more than two decades of attempts to lower the film tax.

In 2016, Tieng became a member of Manila City Council from the fifth district. He was re-elected to his second term in 2019.

In 2022, Tieng was elected to represent the fifth district of Manila, unseating incumbent Cristal Bagatsing. He is the first person from outside the Hizon and Bagatsing families to represent the district since its creation. He was re-elected in 2025, defeating former representative Amado Bagatsing.

Personal life In 2018, Tieng is married to Ladylyn Riva and has two children.

Electoral history