Castlevania: Dawn of Sorrow is a 2005 action-adventure game developed and published by Konami. It is part of Konami's Castlevania video game series and the first Castlevania game released on the Nintendo DS. The game is the sequel to Castlevania: Aria of Sorrow and incorporates many elements from its predecessor.

Dawn of Sorrow continues the story of Aria of Sorrow: Dracula has been defeated, with his powers assumed by his reincarnation, Soma Cruz. With the help of his allies, Soma avoids becoming the new dark lord. A cult forms to bring forth a new one by killing Soma. Soma and his allies move to ensure that does not happen.