Shayzar Castle () is a historic fortress located in Shaizar, Hama Governorate in northwestern Syria, atop a hill overlooking the Orontes River.
The castle's significance dates back to the Middle Ages, as it served as a strategic site during the Crusades and the Islamic wars in the region. It was used as an administrative center and a military stronghold by local rulers.
The castle is distinguished by its high walls and defensive towers, and it underwent several stages of construction and expansion over the centuries.
Today, the castle contains archaeological remains that attract researchers and visitors interested in the region's military and architectural history.