"A special committee in Tehran reviewed their cases and chose to oppose the visit by the USA freestyle wrestling team", Iranian foreign ministry spokesman Bahram Ghasemi was quoted by state television as saying, according to the wire agency.
He said the measure comes as a response to America's ban on visa issuance for the citizens of seven countries, including Iran.
The global competition, which normally includes US wrestlers, is scheduled for February 16-17.
Wrestling is extremely popular in Iran.
Officials said that USA wrestlers have taken part in Iranian meets on 15 other occasions dating back to the 1998 Takhti Cup in Tehran, according to The Post. "The Freestyle World Cup is the annual World dual meet championship, one of the most important events that United World Wrestling hosts each year".
"Crazy! I've never been more welcomed by any country in the world and now we can't even enter the country!"
Schweinsteiger to stay at Man United
Have you changed as a person or manager during your career? I think it will come in time but I have to take it step by step. This season, however, he has been a peripheral figure in Jose Mourinho's squad, managing just five starts all season.
Iran's semi-official Fars News Agency also reported Ali Shamkhani, secretary of Iran's Supreme National Security Council, vowed "we will not take permission from any country or worldwide organization to develop our conventional defense power and we will confront any foreign interference in the defense affairs, including the Islamic Republic of Iran's missile power". "Wrestling is about competition and goodwill through sport, and is no place for politics". "Nearly like it (was) handed down from the president to us". "I was going to compete".
Tehran says its missiles do not breach United Nations resolutions because they are for defence purposes only and are not created to carry nuclear warheads. The Trump administration said Thursday that it is preparing to levy new sanctions on Iran in the first punitive action since the White House put Iran "on notice" after it test-fired a ballistic missile on Sunday.
The ruling by U.S. District Judge Leonie Brinkema on Friday greatly expands the scope of the lawsuit, which was initially focused only on legal permanent residents, commonly called green-card holders.
"Your message is aimed at confronting religion and Islam", he said.