Eleni Tsakopoulos Kounalakis (born 1966) is an American politician and businesswoman. She is the 50th Lieutenant Governor of California since January 2019. She is a member of the Democratic Party.
Before entering politics, she was the United States Ambassador to Hungary from 2010 to 2013 during the Barack Obama presidency. She was sworn into office on January 7, 2010.
On April 24, 2017, Kounalakis announced her bid for the office of Lieutenant Governor of California in the 2018 election and came in first place in the June 2018 primary election, followed closely by State Senator Ed Hernandez. Kounalakis was elected as Lieutenant Governor alongside Gavin Newsom as Governor on November 6, 2018.