Name: Vivian Hsu Jo Hsuan (Xu Ruo Xuan)

| Chinese name: 徐若瑄
| Japanese name: ビビアン・スー
| Birth name: Hsu Shu Juan 徐淑娟
| Birth date: March 19, 1975
| Birthplace: Taichung, Taiwan
| Height: 161cm
| Blood type: A
| Profession: Actress, model and singer

 Vivian Hsu (Chinese: 徐若瑄; pinyin: Xú Ruòxuān; Wade-Giles: Hsu Jo-hsüan; Japanese: ビビアン・スー Bibian Sū; born March 19, 1975 in Taichung, Taiwan) is a renowned singer, actress, and model who has gained remarkable popularity in East Asia, mainly in Taiwan and Japan.