Tjaša Jezernik
Tjaša Jezernik is a Slovenian retired tennis player.
Jezernik won one singles and three doubles titles on the ITF tour in her career. On 4 December 1995, she reached her best singles ranking of world number 416. On 12 September 1994, she peaked at world number 305 in the doubles rankings.
Jezernik made a total of seven appearances for Slovenia in Fed Cup competition.
ITF finals (4–3)
Singles (1–1)
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
| Winner | 1. | 6 June 1994 | Murska Sobota, Slovenia | Clay |  Yasmin Angeli | 7–5, 6–4 |
| Runner-up | 1. | 31 July 1995 | Horb am Neckar, Germany | Clay |  Zdeňka Málková | 6–2, 1–6, 3–6 |
Doubles (3–2)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 29 March 1993 | Marsa, Malta | Clay |  Virág Csurgó | Klára Bláhová  Maja Murić | 3–6, 7–5, 3–6 |
| Winner | 1. | 13 September 1993 | Adriatic, Croatia | Clay |  Simona Nedorostová |  Aleksandra Olsza Alena Vašková | 3–6, 7–5, 6–4 |
| Winner | 2. | 18 October 1993 | Chihuahua, Mexico | Hard | Soňa Málková |  Monica Bonilla Graciela Vélez | 7–6, 6–1 |
| Winner | 3. | 8 August 1994 | College Park, United States | Hard |  Gail Biggs |  Marissa Catlin Lindsay Lee-Waters | 6–4, 7–5 |
| Runner-up | 2. | 22 May 1995 | Salzburg, Austria | Clay |  Marina Lazarovska | Corina Morariu Aarthi Venkatesan | w/o |