[[Switzerland{{timnas|Swiss}} nationalmengumumkan footballdaftar team|Switzerland]]awal announced asebanyak 29-man preliminarysquadpemain onpada 19 MayMei 2021.<ref name="SUI squad">{{cite news |url=https://football.ch/sfv/nationalteams/a-team/news/mit-29-spielern-richtung-uefa-euro.aspx |title=Mit 29 Spielern Richtung UEFA EURO |trans-title=With 29 players towards UEFA Euro |work=[[Swiss Football Association]] |date=19 May 2021 |access-date=19 May 2021 |language=de}}</ref><ref>{{cite tweet |author=Swiss Football Association |author-link=Swiss Football Association |user=nati_sfv_asf |number=1395032575211671557 |date=19 May 2021 |title=Das Aufgebot für Bad Ragaz. 26 Spieler werden zur EM fahren. |trans-title=The squad for Bad Ragaz. 26 players will go to the European Championship. |language=de, fr, it |access-date=19 May 2021 |url-status=live |archive-url=https://web.archive.org/web/20210519221914/https://twitter.com/nati_sfv_asf/status/1395032575211671557 |archive-date=19 May 2021}}</ref>
