Miss World 1957 was the seventh Miss World pageant, held at the Lyceum Ballroom in London, United Kingdom, on 14 October 1957. June Hyde (Miss Welcome to London) crowned Marita Lindahl of Finland as Miss World 1957. Twenty-three countries participated. The event was hosted by Eric Morley, featured an expanded seven-place final, and saw the debuts of Canada and Luxembourg and the return of Australia.