The best selling album in 1966 in United Kingdom was THE SOUND OF MUSIC by SOUNDTRACK.
| Rank | Artist | Album | Released |
| 1 | SOUNDTRACK | THE SOUND OF MUSIC | 1965 |
| 2 | THE BEATLES | REVOLVER | 1966 |
| 3 | THE BEATLES | RUBBER SOUL | 1965 |
| 4 | THE ROLLING STONES | AFTERMATH | 1966 |
| 5 | THE BEACH BOYS | PET SOUNDS | 1966 |
| 6 | THE WALKER BROTHERS | PORTRAIT | 1966 |
| 7 | THE WALKER BROTHERS | TAKE IT EASY WITH THE WALKER BROTHERS | 1966 |
| 8 | SOUNDTRACK | MARY POPPINS | 1964 |
| 9 | HERB ALPERT | GOING PLACES | 1965 |
| 10 | SMALL FACES | SMALL FACES | 1966 |
Source: Official Charts