The 2022–23 Czech First League, known as the FORTUNA:LIGA for sponsorship reason, is the 30th season of the Czech Republic's top-tier football for professional clubs since its 1993 establishment. FC Viktoria Plzeň are the reigning champions. The season started on 30 July 2022. The first half of the season will have 16 rounds, finishing on 13 November 2022 because of the 2022 FIFA World Cup, and the other half will commence on 28 January 2023. The season is expected to end on 28 May 2023 with two extra play-out fixtures on 1 and 4 June 2023.