Kristina A. Kvien (born January 15, 1965) is an American diplomat who served as United States chargé d’affaires to Ukraine from January 2020 to May 2022, which she had previously served as between May to June 2019. From June 2019 to January 2020, she was deputy chief of mission at the Embassy of the United States in Kyiv. In June 2022, she was nominated by President Joe Biden to serve as the United States Ambassador to Armenia.