Xenia Knoll (Serbian Cyrillic: Ксенија Кнол, romanized: Ksenija Knol; born 2 September 1992) is a Swiss tennis player.

On 23 March 2015, she reached her career-high singles ranking of world No.

Knoll made her WTA Tour debut at the 2013 Budapest Grand Prix with a direct entry into the main draw,[1] losing in straight sets to the former world-ranked No.

[2] Knoll made her debut for the Switzerland Fed Cup team in 2015.

[3] She is of Serbian descent on her mother's side who is from Belgrade.