Lia Joëlle Wälti (Swiss Standard German: ; born 19 April 1993) is a Swiss professional footballer who plays as a midfielder for Women's Super League club Brighton and captains the Switzerland national team. Before signing for Arsenal in July 2018, she played for Nationalliga A club YB Frauen from 2009 until 2013 and for Bundesliga club Turbine Potsdam from 2013 until 2018.
She has been a member of the Switzerland national team since August 2011. As an Under-19 international she played the 2009 U-19 European Championship and the 2010 U-20 World Cup. In 2025, she captained Switzerland to their home European Championship, where they reached the quarter-finals.
In March 2026, Wälti co-founded the company WNXT Agency, a sports marketing agency specifically for female athletes.
Verified honours are currently unavailable.
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