槲树（学名：Quercus dentata）为壳斗科栎属的植物。

落叶乔木，高达25米；小枝粗；倒卵形叶子较大互生，长10－20厘米，每边各有4－9个波状缺齿，下面密生星状毛；初夏开花，单性同株；圆卵形坚果，壳斗外被红褐色柔软披针形的苞片。

Quercus dentata, the Japanese emperor oak, also daimyo oak (Japanese:カシワ or 柏, kashiwa; simplified Chinese:柞栎; traditional Chinese:柞栎; pinyin:zuòlì; Korean:떡갈나무, tteokgalnamu) is a species of oak native to Japan, Korea and China. The name of the tree is often translated as "sweet oak" in English to distinguish it from Western varieties.