<Tr> <Th_colspan="2"> Other names </Th> </Tr> <Tr> <Th> Variant (s) </Th> <Td> Zheng, Ching </Td> </Tr> <P> Cheng (/ tʃ əŋ /) can be a transcription of one of several Chinese surnames . Since the syllable Cheng represents different sounds in Hanyu pinyin and the Wade--Giles systems of Chinese romanization, some ambiguity will exist as to which sound is represented by the letters "Cheng" if the romanisation and tone is not known . Also within each system of romanisation, each syllable can represent one of several different characters, as with any Chinese syllable . </P> <P> In the pinyin system of romanization (usually used in China), the most common surnames romanized as Cheng are 程 and 成 . </P>

Where does the last name cheng come from