联苄（1,2-二苯基乙烷）是一种芳香化合物，似乎也可称为联甲苯，可以看作乙烷中两个碳上各有一个氢原子被苯基取代的产物。

联苄是一些天然产物的核心部分，例如二羟基均二苯乙烯和异喹啉生物碱。

Bibenzyl (1,2-diphenylethane) is an aromatic chemical compound that can be considered a derivative of ethane in which one phenyl group is attached to each carbon atom.