Bis(dicyclohexylphosphino)ethane, abbreviated dcpe, is an organophosphorus compound with the formula (C<sub>6</sub>H<sub>11</sub>)<sub>2</sub>PCH<sub>2</sub>CH<sub>2</sub>P(C<sub>6</sub>H<sub>11</sub>)<sub>2</sub>. It is a white solid that is soluble in nonpolar organic solvents. The compound is used as a bulky and highly basic diphosphine ligand in coordination chemistry.