Among respondents to the 2000 United States census, Chan was the 12th-most common surname among Asian Pacific Americans, and 459th-most common overall, with 59,811 bearers (91.0% of whom identified as Asian/Pacific Islander).
Roughly 48,400 people, or 1.9% of the Chinese Singaporean population, bore the surname Chan.
[2] Chan is a Cantonese romanisation of the surname spelled in pinyin as Chén (Chinese: 陳).
Chan is a Hokkien romanisation of the surname spelled in pinyin as Zēng (曾).
People with this surname include: Chan is a Mandarin Wade–Giles romanisation (often used in Taiwan) of the surname spelled in pinyin as Zhān (詹).