Kateryna Viktorivna Handziuk (Ukrainian: ???????? ?????????? ???????; 17 June 1985 – 4 November 2018) was a Ukrainian civil rights and anti-corruption activist campaigner and political advisor, who exposed corruption in her hometown of Kherson.
She was attacked with sulphuric acid on 31 July 2018, and died from her injuries on 4 November 2018.