The best-selling album of 1958 in United States is a soundtrack MY FAIR LADY (ORIGINAL CAST).
Rank Artist Album Released
1
SOUNDTRACK
MY FAIR LADY (ORIGINAL CAST)
1956
2
SOUNDTRACK
THE MUSIC MAN (ORIGINAL CAST)
1957
3
JOHNNY MATHIS
JOHNNY'S GREATEST HITS
1958
4
SOUNDTRACK
SOUTH PACIFIC
1958
5
FRANK SINATRA
COME FLY WITH ME
1958
Source: Billboard