Tamila Hryhorivna Holub (; born 15 March 1999) is a Ukrainian-born Portuguese swimmer. She competed in the women's 800 metre freestyle event at the 2016 Summer Olympics. She began attending and swimming for NC State University in Fall 2017. She has qualified to represent Portugal at the 2020 Summer Olympics.
In 2019, she represented Portugal at the 2019 World Aquatics Championships held in Gwangju, South Korea. She competed in the women's 800 metre freestyle and women's 1500 metre freestyle events. In both events she did not advance to compete in the final. She also competed in the women's 4 × 200 metre freestyle relay event.