Fallout: New Vegas Weapons

Pistols

 * 9mm pistol
 * Virgin Mary pistol
 * .357 revolver
 * Weathered 10mm pistol
 * .22 pistol

Rifles

 * Assault carbine
 * Semi-automatic rifle
 * Battle rifle
 * Camouflaged rifle
 * Varmint rifle
 * Hunting rifle
 * Trail carbine
 * Cowboy repeater

Sniper Rifles

 * Anti-materiel rifle
 * Sniper rifle
 * All-American

SMGs

 * Cyberpunk Cowboy SMG
 * 10mm SMG
 * American 180

Shotguns

 * Shotgun
 * Lever-action shotgun
 * Riot shotgun
 * Caravan gun
 * Sturdy caravan shotgun

Heavy Weapons

 * Light machine gun
 * Minigun

Pistols

 * Plasma pistol
 * Plasma defender

Rifles

 * Laser rifle

Shotguns

 * Multiplas rifle
 * Tri-beam laser rifle

Heavy Weapons

 * Flamer
 * Portable laser beacon
 * Gatling laser
 * Plasma caster

Projectile

 * Grenade machine gun
 * Missile launcher
 * Fat Man
 * Grenade launcher
 * Mercenary's grenade rifle

Thrown

 * Dynamite
 * Frag grenade
 * Incendiary grenade

Placed

 * C-4 plastic explosive
 * Detonator

Melee

 * Sledgehammer
 * Super sledge
 * 9-Iron
 * Nail board
 * Concrete club
 * Machete
 * Broad machete
 * Razor
 * Throwing spear
 * Scrap sword

Unarmed

 * Bladed gauntlet
 * Boxing gloves
 * Brass knuckles