黄金树（学名：Catalpa speciosa）为紫葳科梓属的植物。

落叶乔木，高可达30米。单叶对生，叶宽卵形或卵状长圆形，先端渐尖，背面密生柔毛，基出三脉。圆锥花序顶生，夏初开白色两唇形花，下唇内面有黄色条纹和淡紫色斑点。蒴果细长，果壁厚，果期9至10月。

Catalpa speciosa, commonly known as the northern catalpa, hardy catalpa, western catalpa, cigar tree, and catawba-tree, is a species of Catalpa native to the midwestern United States.