International referees need more than a whistle and a card. They must calm players, explain calls, manage confrontations and communicate with assistants and the VAR team.
A shared vocabulary helps create consistency. Basic instructions such as “back away”, “no foul” or “wait” need to be understood immediately, especially when a referee is dealing with a multilingual squad. English is often the bridge because elite players regularly work alongside teammates and coaches from different football cultures.
That does not mean every player is fluent. It means the game has developed a set of familiar phrases and commands that most professionals recognise.
Verbal communication can fail in a crowded stadium, during a confrontation or when a player is several metres away. Visual signals remain football’s most universal language.
The card system itself was designed to reduce language barriers. A player may not understand a referee’s sentence, but the meaning of a red card is unmistakable.
National leagues usually operate in the country’s main language. Premier League referees communicate in English, while La Liga officials generally use Spanish. Domestic familiarity makes conversations more direct, although multilingual squads still require patience and simple phrasing.
International football demands a broader skill set. As VAR adds more moments that require explanation, language training and standardised signals will remain central to refereeing. At the next major tournament, the clearest officials may be those who combine precise English with gestures every player understands.