格列齐特（英语：Gliclazide），商品名为达美康。是一种磺酰脲类口服抗糖尿病药。 . 格列齐特可以防止因高血糖引起的细胞凋亡，保护人体的胰岛β细胞。 格列齐特还可以防止因2型糖尿病导致的动脉粥样硬化（防止动脉脂肪堆积）。格列齐特在中国作为一线药物使用，应用极为广泛，而在其他国家却并不常用。

Gliclazide is an oral hypoglycemic (anti-diabetic drug) and is classified as a sulfonylurea. Its classification has been ambiguous, as literature uses it as both a first-generation and second-generation sulfonylurea. Gliclazide was shown to protect human pancreatic beta-cells from hyperglycemia-induced apoptosis. It was also shown to have an antiatherogenic effect (preventing accumulation of fat in arteries) in type 2 diabetes.