Du (Chinese: 杜; pinyin: Dù; Wade–Giles: Tu4) is a Chinese surname. The name is spelled Tu in Taiwan, in Hong Kong it is translated as To, in Macao it is spelled as Tou, the pronunciation of 杜 in Cantonese. The Vietnamese equivalent of the surname is Đỗ. However, when diacritics are dropped, it can also be from the Vietnamese surnames Dư 余 or Dũ 俞 (Chinese equivalent is both Yu). It is the 129th surname in Hundred Family Surnames and is the 42nd most common surname in Mainland China as of 2020. Source: Wikipedia (en)