Vasiliy Anatolyevich Lomachenko is a Ukrainian former professional boxer who competed between 2013 and 2024. He has held multiple world championships in three weight classes, including the World Boxing Organization (WBO) featherweight title from 2014 to 2016, the WBO super featherweight title from 2016 to 2018, the unified World Boxing Association (WBA), World Boxing Council (WBC), WBO, and Ring magazine lightweight titles from 2018 to 2020, and the International Boxing Federation (IBF) lightweight title from 2024 to 2025.