Wú (吳) is the sixth name listed in the Song dynasty classic Hundred Family Surnames.

[2] A 2013 study found that it was the eighth most common surname, shared by 26,800,000 people or 2.000% of the population, with the province having the most being Guangdong.

[3] The Cantonese and Hakka transliteration of 吳 is Ng, a syllable made entirely of a nasal consonant while the Min Nan transliteration of 吳 is Ngo, Ngoh, Ngov, Goh, Go, Gouw, depending on the regional variations in Min Nan pronunciation.

The descendants of Wu Wang eventually changed their surname from Ji (姬) to Zhou (周) during the Qin dynasty to commemorate the merits and virtues of their ancestors.

"horse shaman; equine veterinary"), but can also be regarded as a shortened term for 巫来由/巫來由 (wūláiyóu), a transcription of Malay Melayu.