Yuka Sato (佐藤 友佳, Sato Yuka; born 21 July 1992) is a Japanese athlete specialising in the javelin throw. She represented her country at the 2019 World Championships without qualifying for the final. Earlier in her career she won a bronze medal at the 2011 Asian Championships.
Her personal best in the event is 62.88 metres set in Fukuoka in 2019.