二溴乙烷（C₂H₄Br₂）可以指：

• 1,1-二溴乙烷
• 1,2-二溴乙烷

Dibromoethane can refer to either of two isomeric organobromides with the molecuar formula C₂H₄Br₂:

• 1,1-Dibromoethane (ethylidene dibromide)
• 1,2-Dibromoethane (ethylene dibromide)

See also dibromoethene.