The most widely spoken Romance language in the United States is Spanish.

The United States does not have any official languages at the federal level. English is the most widely spoken language and is the unofficial national language, but there is no official designation.

Spanish is the second most commonly spoken language in the United States, with a large population of Spanish speakers residing in the country.

Spanish is the second most widely spoken language in the United States, with over 40 million people who speak Spanish as their primary language.

English and Spanish are the two most spoken languages in the United States. English is the primary language, while Spanish is the second most spoken language due to the large Hispanic population in the country.