Lia Karatancheva
| Country (sports) | Bulgaria |
|---|---|
| Residence | Sofia, Bulgaria |
| Born | 8 September 2003 Sofia |
| Turned pro | 2017 |
| Plays | Right-handed (two-handed backhand) |
| Prize money | US$118,559 |
| Singles | |
| Career record | 189–176 |
| Career titles | 1 ITF |
| Highest ranking | No. 263 (28 July 2025) |
| Current ranking | No. 294 (19 January 2026) |
| Doubles | |
| Career record | 102–94 |
| Career titles | 7 ITF |
| Highest ranking | No. 160 (16 June 2025) |
| Current ranking | No. 167 (19 January 2026) |
| Team competitions | |
| Fed Cup | 13–8 |
| Last updated on: 19 January 2026. | |
Lia Radoslavova Karatancheva (Bulgarian: Лиа Радославова Каратанчева; born 8 September 2003) is a Bulgarian tennis player. She has a career-high singles ranking world No. 263, by the WTA, achieved on 28 July 2025. She also has a career-high doubles ranking of No. 160, achieved on 16 June 2025.
Karatancheva has won 1 singles and 7 doubles titles on the ITF Women's World Tennis Tour. She took part in the Bulgaria BJK Cup team for the first time in 2023. Playing for Bulgaria, Karatancheva has a win–loss record of 13–8.