美国总统特朗普提议将墨西哥湾改名为美国湾，引发国际争议。墨西哥总统反对此提议，并讽刺性地建议将美国改名为“墨西哥美洲”。
US President Donald Trump wants the Gulf of Mexico to be called the Gulf of America. President Trump said: "America will reclaim its rightful place as the greatest, most powerful, most respected nation on Earth." He added: "We are going to be changing the name of the Gulf of Mexico to the Gulf of America." The U.S. government said it "is proud to announce the implementation of name restorations that honor the legacy of American greatness". The USA can use "Gulf of America" on official US maps. However, no international organization can mandate the global acceptance of name changes. Mexico's president has opposed the name change. She said the name "Gulf of Mexico" has existed for four centuries. She joked that if there were to be name changes, the USA should be called "Mexican America," as on a map from 1607. The UN says a country's territory only extends 19 km from its coastline.