Bibenzyl is the organic compound with the formula (C₆H₅CH₂)₂. It can be viewed as a derivative of ethane in which one phenyl group is bonded to each carbon atom. It is a colorless solid.

The compound is the product from the coupling of a pair of benzyl radicals.

Bibenzyl forms the central core of some natural products like dihydrostilbenoids and isoquinoline alkaloids. Marchantins are a family of bis(bibenzyl)-containing macrocycles.