Ylena In-Albon (born 6 March 1999) is a Swiss tennis player.
On 20 May 2019, she achieved a career-high singles ranking of world No.
175.
On 22 July 2019, she peaked at No.
254 in the doubles rankings.
In-Albon made her main-draw debut on the WTA Tour at the 2017 Ladies Open Biel Bienne in the doubles draw, partnering compatriot player Leonie Küng.