| A Summer Best | |
| Type: | Compilation |
| Artist: | Ayumi Hamasaki |
| Cover: | Asummerbest.jpg |
| Released: | August 8, 2012 |
| Recorded: | 1998–2012 |
| Label: | Avex Trax |
| Prev Title: | Party Queen |
| Prev Year: | 2012 |
| Next Title: | Love |
| Next Year: | 2012 |
A Summer Best (stylized as '''''SUMMER BEST) is the 6th compilation album by Japanese singer-songwriter Ayumi Hamasaki released on August 8, 2012. The album contains 24 old songs plus two new tracks - "You & Me" and "Happening Here" - over 2 discs. The album is available in two versions: 2CD and 2CD+DVD.
It is her second compilation album (after A BEST 2 ~BLACK~) to not peak at number one on the Oricon chart.
Oricon Sales Chart (Japan)
| Release | Chart | Peak position | First Week Sales | Sales total | Chart run |
|---|---|---|---|---|---|
| August 8, 2012 | Oricon Daily Albums Chart | 2 | 31,803 | ||
| Oricon Weekly Albums Chart | 2 | 83,363 | 210,000 | 14 weeks | |
| Oricon Monthly Albums Chart | 3 | 127,013 | |||
| Oricon Yearly Albums Chart | 42 | 139,567 | |||