|Chinese name||徐秀盈 (simplified)|
|Pinyin||Xú Xiùyíng (Mandarin)|
|Birth name||Ser Siew Yien|
|Occupation||TV presenter, journalist, host, actress|
|Spouse(s)||James Lye (2004-present)|
Diana Ser (Chinese: 徐秀盈; pinyin: Xú Xiùyíng) is a former journalist, Channel NewsAsia presenter, as well as actress and host for then Television Corporation of Singapore (TCS), now known as MediaCorp. She now runs a communications consulting and media training company.
Ser attended CHIJ Saint Nicholas Girls' School, Victoria Junior College, the National University of Singapore (NUS) and the National Technological University (NTU) of Singapore. In 2005, she was awarded the Nanyang Alumni Award from NTU, where she received a Masters in Mass Communication.