The United States ambassador to Grenada is the official representative of the government of the United States to the government of Grenada.

The ambassador is the United States Ambassador to Barbados and the Eastern Caribbean, resident in Bridgetown, Barbados, and is concurrently the ambassador to Antigua and Barbuda, Barbados, Dominica, St. Kitts and Nevis, St. Lucia, and St. Vincent and the Grenadines.

The U.S. Government established an embassy in Grenada at St. George's on February 2, 1984.

Ambassador to Grenada is resident in Bridgetown, Barbados.

The following is a list of U.S. ambassadors, or other chiefs of mission, to Grenada.