Tiana Angelina Moser (born 6 April 1979) is an educator and politician of the Green Liberal Party (GLP).

[3] Regarding the Swiss neutrality, she supported a permission for the export of protective clothes for the civilian population.

[8] Regarding the bilateral relations between Switzerland and the European Union, she was a firm supporter of the ongoing negotiations towards an Institutional Agreement [fr].

[9] After the Federal Council then announced the end of the negotiations in May 2021, she led a delegation of Swiss MPs to Brussels to evaluate the situation.

[11] Since 2018, she is in a relationship with the National Councillor of the Social Democratic Party (SP) Matthias Aebischer.