The Masked Singer Switzerland is a Swiss reality singing competition television series adapted from the South Korean format King of Mask Singer. The first season premiered on ProSieben Schweiz on 13 November 2020, and is hosted by Alexandra Maurer. The show features celebrities singing in head-to-toe costumes and face masks which conceal their identities from other contestants, panelists, and an audience. The second season premiered on 10 November 2021 and was hosted by Anna Maier along with former guest panelist of season 1, Christa Rigozzi replacing Steffi Buchli on the judging panel. The third season premiered on 12 October 2022. The fourth season premiered on 15 November 2023.

Nemo Mettler, known mononymously as Nemo, is a Swiss singer who plays the violin, piano and drums. They represented Switzerland and won the Eurovision Song Contest 2024 with the song "The Code", giving Switzerland their first win since 1988.