| Por Que Não? | |
| Type: | studio |
| Artist: | Kelly Key |
| Cover: | Kelly-key-por-que-nao.jpg |
| Recorded: | 2006 |
| Length: | 38:17 |
| Language: | Portuguese |
| Label: | Warner Music |
| Prev Title: | Kelly Key |
| Prev Year: | 2005 |
| Next Title: | 100% Kelly Key |
| Next Year: | 2007 |
Por que Não? (en: Why Not?) is the fourth studio album by Brazilian pop singer Kelly Key, released on September 20, 2006, by Warner Music.