Iron

* Character:
** Iron Maiden, an Assaultron at Easy City Downs in Fallout 4.
* Factions:
** Iron Rivers, a faction of tribals in the canceled Van Buren.
* Items:
** Iron (Fallout 3), a miscellaneous item in Fallout 3.
** Iron (Fallout: New Vegas), a miscellaneous item in Fallout: New Vegas.
** Clothing iron (Fallout 4), a junk item in Fallout 4.
** Iron helmet, a piece of headwear in Fallout 4 Creation Club content.
** Clothing iron (Fallout 76), a junk item in Fallout 76.
** Iron ore, a miscellaneous item in Fallout 76.
* Location:
** Iron Mountain, a place connected to PoseidoNet, mentioned in Fallout 2.
* Perks:
** Iron Fist, a perk in Fallout 3, Fallout 4, Fallout 76 and Fallout: The Roleplaying Game.
** Iron Stomach, a perk in Fallout 76.
** Ironclad, a perk in Fallout 76.
* Quests:
** Iron and Stealing, an unmarked quest in Fallout: New Vegas.
* Weapons:
** Tire iron, a melee weapon in Fallout 3, Fallout: New Vegas, Fallout 4, Fallout 76 and Fallout: The Board Game.
** 9 iron, a melee weapon in Fallout: New Vegas.
** Iron pipe, a melee weapon in Fallout Tactics.
** Iron gloves, an unarmed weapon in Fallout: Brotherhood of Steel.
** Iron bear claw glove, a melee weapon in the canceled Van Buren.
* Other:
** "Big Iron," a song by Marty Robbins, broadcast on radio stations in Fallout: New Vegas.
** Iron Galaxy, a video game development studio that provided developmental assistance on Fallout 76.
** Raider branding iron skin, an Atomic Shop weapon skin for the fire axe in Fallout 76.
** Plan: Tire iron, a weapon plan in Fallout 76.
** Iron sights, a weapon mod in the Fallout 76 update Wastelanders.
** Aim down sights, also referred to as iron sights, a gameplay mechanic in Fallout: New Vegas, Fallout 4, and Fallout 76.