鹊鸭（学名：Bucephala clangula）为鸭科鹊鸭属的鸟类，俗名金眼鸭、喜鹊鸭、白脸鸭。

体长约50厘米。雄鸟头部较大，黑色羽毛而泛蓝光；生殖季节，嘴基两侧各有一圆形大白斑；下颈和翼的内侧覆羽、次级飞羽、腹部均为白色。雌性头部呈棕黑色，背部棕灰色，腹部白色。雄鸟羽色在冬季与雌鸟近似。

The common goldeneye (Bucephala clangula) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. Their closest relative is the similar Barrow's goldeneye.