Deja Vu (데자뷰)[2] is South Korean boy band SS501's third mini-album.

It was released on March 13, 2008, three years after their second mini album.

[1] During those three years, they released their first studio album, S.T 01 Now in 2006,[3] and had been busy focusing with Japanese activities.

[6] They, then, began to promote their second single, "A Song Calling for You" after a while.

[7] They performed their Goodbye Stage on Music Bank in June 2008, to return to Japanese activities.