Viktor Andriyovych Yushchenko (Ukrainian: Віктор Андрійович Ющенко (help·info) Viktor Andrijovyč Juščenko) (born February 23, 1954) is the third and current President of Ukraine. He took office on January 23, 2005.

As an informal leader of the Ukrainian opposition coalition, he was one of the two main candidates in the October–November 2004 Ukrainian presidential election. Yushchenko won the election through a re-vote of the runoff between him and Viktor Yanukovych, the government-supported candidate. The Ukrainian Supreme Court called for the run-off election to be repeated because of widespread election fraud in favor of Viktor Yanukovych in the original voting. Yushchenko won in the revote (52% to 44%). Public protests prompted by the electoral fraud played a major role in that presidential election and led to Ukraine's Orange Revolution.

Viktor Andriyovych Yushchenko was born on February 23, 1954 in Khoruzhivka, Sumy Oblast, Ukrainian SSR, USSR, into a family of teachers. His father, Andriy Andriyovych Yushchenko (1919–1992), fought in the Second World War, was captured by German forces and imprisoned as a POW in a series of concentration camps in Poland and Germany, including Auschwitz-Birkenau. He survived the ordeal, and after returning home, taught English at a local school. Viktor's mother, Varvara Tymofiyovna Yushchenko (1918–2005), taught physics and mathematics at the same school.