Nataliia Oliinyk (born 9 July 1981) is a Ukrainian Paralympic powerlifter. She won the silver medal in the women's 79 kg event at the 2020 Summer Paralympics held in Tokyo, Japan. A few months later, she won the bronze medal in the women's 86 kg event at the 2021 World Para Powerlifting Championships held in Tbilisi, Georgia.
In March 2021, she won the silver medal in the women's 79 kg event at the 2021 World Para Powerlifting World Cup event held in Manchester, United Kingdom. In June 2021, she won the bronze medal in her event at the 2021 World Para Powerlifting World Cup event held in Dubai, United Arab Emirates.