Denise Ho Wan-see (born 10 May 1977) is a Hong Kong-based Cantopop singer and actress. She is also a pro-democracy and Hong Kong human rights activist. In 2012, Ho declared herself as a lesbian, being the first mainstream Cantonese singer to do so. In 2014, Ho was blacklisted by the Chinese government and by the luxury brand Lancome for her participation in the Umbrella Movement in Hong Kong. Ho is a Canadian citizen.

On 28 December 2021, Ho was arrested by the Hong Kong police under the joint charges of both production and distribution of seditious materials.