| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Under My Skin (CD, Album) | Arista | 82876-59774-2 | US | 2004 | |
| Under My Skin (Special Edition) (CD + DVD-V) | Arista, RCA | G2067750 | Argentina | 2004 | |
| Under My Skin (Special Edition) (CD, Album + DVD-V, PAL) | Arista | 82876 67751 2 | Europe | 2004 | |
| Under My Skin (CD, Album) | Arista | 82876 61787 2 | Europe | 2004 | |
| Under My Skin (CD, Album) | Arista | 82876 61787 2 | Europe | 2004 | |
| Under My Skin (CD, Album) | BMG (Japan), Arista | BVCA-24020, 82876 61819 2 | Japan | 2004 | |
| Under My Skin (CD, Album) | RCA | 82876-59774-2 RE-1 | US | 2004 | |
| Under My Skin (CD, Album) | RCA, Arista, BMG | 82876 62257 2 | Europe | 2004 | |
| Under My Skin (CD, Album, Copy Prot.) | Arista, RCA, BMG | 82876 60345 2 | Europe | 2004 | |
| Under My Skin (CD, Album, Copy Prot.) | Arista | 82876-61787-2 | Europe | 2004 | |
| Under My Skin (CD, Album, Sli) | Arista | 828765-97742-5 | Taiwan | 2004 | |
| Under My Skin (Special Edition) (CD + DVD-V) | Arista | 82876 67750 2 | Mexico | 2005 |