| Flash Best | |
| Type: | Compilation album |
| Artist: | Capsule |
| Cover: | Capsule_Flash_Best_cover.jpg |
| Released: | August 26, 2009 (Japan) December 2009 (South Korea) |
| Genre: | J-pop, electropop, dance-pop |
| Language: | Japanese/English |
| Label: | Contemode / Yamaha (Japan) LOEN Entertainment (South Korea) |
| Prev Title: | More! More! More! |
| Prev Year: | 2008 |
| Next Title: | Player |
| Next Year: | 2010 |
Flash Best is the first compilation album by the Japanese electronica band Capsule. The limited release first press also included a DVD with music videos of "Flash Back", "Jumper", "Sugarless Girl", "Glider", "Portable Airport", "Space Station No.9" and "Soratobu Toshikeikaku".