Most common surnames in Taiwan

Most Common Surnames in Taiwan (source: Taiwanese Book 1, Maryknoll, 1997). In other words, the most common Taiwanese last names or family names. See Common Chinese Names

陳...Taan (Wade-Giles: Ch'en², but usually seen as "Chen")
林...Liim (Lin)
黃...Ngg (Huang)
李...Liie (Li, also seen as Lee)
張...Tviw (Chang)
王...Oong (Wang)
吳...Goo (Wu)
劉...Laau (Liu, also Liou)
蔡...Zhoax (Ts'ai, seen as Tsai)
楊...Viuu (Yang)
許...Khor (Hsu³)
鄭...Tve/Tvi (Cheng)
謝...Cia/Sia (Hsieh, also Shieh)
郭...Koeq (Kuo)
洪...Aang (Hung, also Hong)
邱...Khiw/Khw/Zw (Ch'iu, seen as Chiu, Chiou)
曾...Zafn (Tseng)
廖...Liau (Liao)
賴...Loa (Lai)
徐...Chii (Hsu²)

Others:

趙...TiQ
周...Ciw
孫...Swn
朱...Zw
馬...Bea/Mar
胡...Hoo
何...HQo
高...KQf
梁...Niuu
羅...LQo
宋...Soxng
唐...Tngg
韓...Haan
曹...ZQo
鄧...Teng
蕭...Siaw
馮...Paang
程...Thviaa
彭...Phvee/Phvii
潘...Phvoaf
袁...Oaan
于...Ii/Uu
董...Tarng
余...Ii/Uu
蘇...Sof
葉...Iap
呂...Lu
魏...Gui
蔣...Cviuo
田...Tieen
杜...To
丁...Tefng
沈...Tiim
姜...Kiafng...Kiong
范...Hoan
江...Kafng
傅...Hu
鍾...Ciofng...Zefng
盧...Loo
汪...Ofng...Afng
戴...Tex...Taix...Tix
崔...Zhuy
任...Jim...Lim...Na
陸...Lak...Liok
姚...Iaau
方...Pngf
金...Kym
夏...Ha
譚...Thaam
韋...Uie
賈...Kar
鄒...Zaw...Zof
石...CiQh
熊...Hiim
孟...Beng
秦...Ciin
閻...Giaam
薛...Siq
侯...Haau
雷...Luii
白...Peh...Pek
龍...Leeng
段...Tvoa
郝...Hek
孔...Khafng
邵...Siau...SiQ
史...Suo
毛...Moo
常...Sioong
萬...Ban
顧...Kox
武...Buo
康...Khngf
賀...HQ
嚴...Giaam
尹...Yn
錢...Cvii
施...Sy
牛...Guu
龔...Kiorng
佘...Siaf
麥...Beh
莊...Zngf
路...Lo
黎...Lee
付...Pox...Hux
邢...Heeng
倪...Gee...Goee
陶...TQo...JQo
葛...Kad
譚...Tvaa
堯...Giaau