Ivrea Castle (Italian: Castello d'Ivrea) is a castle located at Piazza Castello in Ivrea, Italy.

In 1676, the northwestern tower, which served as powder magazine, was struck by a lightning.

The resulting explosion caused 51 deads, 187 damaged houses and the collapse of the tower itself.

The castle has four towers erected on a plan flank.

The castle is mentioned in the work of Giosuè Carducci.