Switzerland participated in the Eurovision Song Contest 2011 with the song "In Love for a While" written by David Klein. The song was performed by Anna Rossinelli. The Swiss entry for the 2011 contest in Düsseldorf, Germany was selected through the national final Die grosse Entscheidungs Show 2011, organised by the Swiss German speaking broadcaster Schweizer Fernsehen (SF) and radio station DRS 3 in collaboration with the other broadcasters part of SRG SSR idée suisse. SF, DRS 3, the Swiss-French broadcaster Télévision Suisse Romande (TSR) and the Swiss-Italian broadcaster Radiotelevisione svizzera (RSI) each conducted varying selections and a total of twelve entries were selected to advance to the televised national final—seven artists and songs from the SF selection, three from the DRS 3 selection, one from the TSR selection and one from the RSI selection. The twelve finalists performed during the national final on 11 December 2010 were public voting ultimately selected "In Love for a While" performed by Anna Rossinelli as the winner.

The Eurovision Song Contest 2011 was the 56th edition of the Eurovision Song Contest. It took place in Düsseldorf, Germany, following the country's victory at the 2010 contest with the song "Satellite" by Lena. Organised by the European Broadcasting Union (EBU) and host broadcasters Arbeitsgemeinschaft Rundfunkanstalten Deutschland (ARD) and Norddeutscher Rundfunk (NDR), the contest was held at the Düsseldorf Arena and consisted of two semi-finals on 10 and 12 May, and a final on 14 May 2011. The three live shows were presented by German comedians Anke Engelke and Stefan Raab, and television presenter Judith Rakers.