Kateryna Zelenko (Ukrainian: Катерина Михайлівна Зеленко; born 10 August 1980) is a Ukrainian diplomat who served as the spokesperson of the Foreign Ministry of Ukraine between 2018 and 2020.

[1][2][3] She was appointed as the Ambassador of Ukraine to the Republic of Singapore by President Volodymyr Zelensky on 14 November 2020.

[5] In 13 December 2021, she became the Ambassador Extraordinary and Plenipotentiary of Ukraine to Brunei on a part-time basis.

[6] On 22 December 2021, she was assigned the diplomatic rank of Envoy Extraordinary and Plenipotentiary of the second class.

[7] During recent years Kateryna Zelenko was responsible for interaction with mass media and informative and explanatory work.