The specific referee for today's World Cup match is not provided in the available search results. However, for recent major FIFA tournaments, referees are selected from a pool of international officials appointed by FIFA, with 35 referees and numerous assistant and video match officials chosen for events like the 2025 FIFA Club World Cup
. For example, Szymon Marciniak from Poland was appointed as the referee for the 2022 FIFA World Cup final, highlighting the caliber of referees FIFA selects for such matches
. For upcoming or ongoing matches, the referee is usually announced by FIFA or the tournament organizing committee shortly before the match. If you are referring to a specific World Cup match today, the best source would be the official FIFA website or the tournament's official channels for the latest referee appointment.