Cold Damage

Cold Damage is a type of Elemental Damage that can be caused by certain Equipment and Skills. Cold Damage can be reduced by having a greater Cold  Resistance.

Damage Types

Arcane Damage

Cold Damage

Fire Damage

Holy Damage

Lightning Damage

Physical Damage

Poison Damage 

Also See:
Freeze
Chill

The Following Is A List Of Each Class' Skills That Deal Cold Damage:

Wizard Skills That Deal Weapon Damage as Cold

Frost Nova
Ice Armor
Hydra (Frost Hydra)
Ray of Frost
Blizzard
Meteor (Comet)

Note: Black Ice (Passive Skill)- Cold damage dealt to chilled and frozen targets is increased by X%.