Omar Artan was due to officiate at the World Cup.
A senior Somali referee has been barred from entering the US.
Omar Artan was due to officiate at the World Cup but was stopped on arrival in Miami over what officials describe as "vetting concerns".
Somalia is one of the countries on Donald Trump's travel ban list, which was announced last year as part of the government's crackdown on immigration.

Five Kildare Connections Feature As Ireland Make It Two From Two
Louth And Mayo Battle For All-Ireland Final Spot
McIlroy Shares Scottish Open Lead After Strong Second Round
Spain Leave It Late To Reach World Cup Semi-Finals
Saturday Morning Sports Update
Fixture Details For Pool Stages Of Investec Champions Cup Confirmed
Fixture Details Confirmed For All-Ireland Camogie Semi-Final Against Cavan
It's A Men's Semi Final At Wimbledon Today