The best-selling album of 1950's in United Kingdom is a soundtrack SOUTH PACIFIC.
Rank Artist Album Released
1
SOUNDTRACK
SOUTH PACIFIC
1958
2
SOUNDTRACK
MY FAIR LADY (ORIGINAL CAST)
1956
3
SOUNDTRACK
OKLAHOMA!
1955
4
FRANK SINATRA
SONGS FOR SWINGIN' LOVERS
1956
5
SOUNDTRACK
WEST SIDE STORY (ORIGINAL CAST)
1957
6
LONNIE DONEGAN
SHOWCASE
1956
7
FRANK SINATRA
COME DANCE WITH ME
1959
8
ELVIS PRESLEY
ELVIS' GOLDEN RECORDS, VOLUME 1
1958
9
MUSICAL
MY FAIR LADY (ORIGINAL LONDON CAST)
1958
10
SOUNDTRACK
THE KING AND I
1956
Source: Official Charts