Tamara Zidanšek (born 26 December 1997) is a Slovenian tennis player.
Zidanšek has career-high WTA rankings of No.
59 in singles, achieved on 10 June 2019, and No.
142 in doubles, achieved on 17 December 2018.
She has won one doubles title on the WTA Tour and two WTA 125K singles titles, as well as 17 singles and four doubles titles on the ITF Women's Circuit.
She is a former Top 20 junior and she had made a perfect professional debut in 2014 at her home in Velenje, passing three qualifying rounds to go all the way in the main draw and claim the first title on the pro level still at the age of 16.
On the junior tour, Zidanšek had a career-high ranking of No.
16, achieved in December 2015.
Zidanšek has represented Slovenia in the Fed Cup, where she has a win/loss record of 5–3.