Eva Cheng, GBS (Chinese: 鄭汝樺; born 31 May 1960, Hong Kong) was the Secretary for Transport and Housing and the chairman of the Hong Kong Housing Authority^[1] in the Hong Kong Government.

She joined as a civil servant in the Administrative Service in 1983.

Cheng has served in various bureaux and departments in the government, including Deputy Head of the Central Policy Unit (1996–1998), Deputy Director of Administration (1997), Deputy Secretary for Information Technology and Broadcasting (later renamed Deputy Secretary for Commerce, Industry and Technology) (1998–2003), Commissioner for Tourism (2003–2006), and Permanent Secretary for Economic Development and Labour (Economic Development) (2006–2007).