The Ambassador is an automobile manufactured and marketed by American Motors Corporation (AMC) from 1957 through 1974 over eight generations, available in two- and four-door sedan, two-door hardtop, four-door station wagon as well as two-door convertible body styles. It was classified as a full-size car from 1957 through 1961, mid-size from 1962 until 1966, and again full-size from 1967 through 1974 model years.

American Motors Corporation was an American automobile manufacturing company formed by the merger of Nash-Kelvinator Corporation and Hudson Motor Car Company on May 1, 1954. At the time, it was the largest corporate merger in U.S. history.