| Twenity 1991-1996 | |
| Type: | Compilation |
| Artist: | L'Arc-en-Ciel |
| Cover: | Twenity 1991–1996.jpg |
| Released: | February 16, 2011 |
| Genre: | Alternative rock Pop rock Post-punk |
| Label: | Ki/oon |
| Prev Title: | Quadrinity ~Member's Best Selections~ |
| Prev Year: | 2010 |
| Next Title: | Twenity 1997–1999 |
| Next Year: | 2011 |
Twenity 1991–1996 is a compilation album by L'Arc-en-Ciel, released on February 16, 2011, simultaneously with Twenity 1997-1999 and Twenity 2000-2010. It collects previously released A-sides and B-sides.