Alisha Debora Lehmann (born 21 January 1999)[2] is a Swiss professional footballer who plays as a forward for Serie A club Juventus and the Switzerland national team.

After beginning her career at age nine with FC Konolfingen, where she played from 2008 to 2011, Lehmann joined the U14 BSC YB team as a 12-year-old.

[5] Newly-professional FA Women's Super League club West Ham United signed Lehmann from BSC YB Frauen in August 2018.

It was reported that West Ham manager Matt Beard had been impressed by Lehmann's performances at the 2018 U-19 European Championship, which Switzerland hosted.

[11] On 3 November 2019, Lehmann scored in the 75th minute against Reading for a 1–0 win that helped her team advance to the knockout stage of the 2019–20 Conti Cup.

[12] On 19 January 2020, when West Ham was behind 1–0 to Brighton, Lehmann scored two goals in the 80th and 83rd minute to give her team a 2–1 victory.

[26] In the final away game of the 2023–24 season, Lehmann scored in the 1–0 victory against Brighton & Hove Albion and was awarded Player of the Match.

[30] Lehmann made her debut for the Swiss U-17 national team on 11 April 2015, defeating Serbia 8–1 during the elite qualifying round of the 2015 U-17 European Championship.

[34][35] Selected by coach Nora Häuptle for the qualifying phases of the 2017 U-19 European Championship, Lehmann made her U19 national team debut on 18 October 2016 against Estonia and scored her first U19 goal in this match.

[33] At the U-19 European Championship at home in Switzerland in July 2018, Lehmann scored the equalizer in the 80th minute making it 2–2 against France.

[38] Lehmann won her first cap for the senior Switzerland national team on 22 October 2017 in a friendly against Japan, coming on as a substitute for Eseosa Aigbogun in the 55th minute.

[41] In the final must-win match for Switzerland, Lehmann helped her team reach the Euros during the penalty shootout against Czechia when she stepped up as the third shooter and successfully made it 1–1.