Difluoroethene or Difluoroethylene can refer to any one of several isomeric forms of the organochloride with the molecular formula C₂H₂F₂:

There are three isomers:

• 1,1-Difluoroethene
• 1,2-Difluoroethene (E and Z)

• Difluoroethane
• Dichloroethene