| Classic Odyssey | |
| Type: | studio |
| Artist: | SG Wannabe |
| Cover: | SG_Wannabe_Classic_Odyssey.jpg |
| Genre: | K-pop |
| Language: | Korean |
| Label: | Mnet Media |
| Producer: | Cho Young-chul, Lee Min-soo |
| Prev Title: | Saldaga |
| Prev Year: | 2005 |
| Next Title: | The 3rd Masterpiece |
| Next Year: | 2006 |
Classic Odyssey is the 2.5 studio album by SG Wannabe. It is said that a 1 billion won (₩1,000,000,000) budget went into SG Wannabe's new remake album. It included hits such as "My Heart's Treasure Box" (내 마음의 보석상자).
When 2005 was over, SG Wannabe was ranked at #1, with over 400,000 copies sold of their 2nd album, Saldaga, and 12th, with 147,047 copies sold of their remake album on the year-end chart.