Castlevania: Double Pack is a compilation package for the Game Boy Advance handheld system which contains two previous Castlevania titles: Castlevania: Harmony of Dissonance and Castlevania: Aria of Sorrow. It was released on January 10, 2006 in North America, and later that year in Europe.
- The Medusa Pendant, the Mirror Pendant and the Gold Headband were removed from the Double Pack version of Castlevania: Harmony of Dissonance.
- Castlevania: Double Pack was picked as the "IGN Game Boy Game of the Month" for January 2006.
- Castlevania: Harmony of Dissonance – Main page of Harmony of Dissonance, included in this package.
- Castlevania: Aria of Sorrow – Main page of Aria of Sorrow, included in this package.