Here are the various multiplayer perks in Call of Duty: World at War.
 Perk 1
Special Grenades x 3 - Three special grenades. No smoke.
Satchel Charge x 2 - Two remote detonation explosives.
M9A1 Bazooka x 2 - M9A1 bazooka with two rockets.
Bomb Squad - Ability to seek out enemy explosives.
Bouncing Betty x 2 - Two pressure activated mines.
Bandolier - Ability to carry more ammunition rounds
Primary Grenades x 2 - Two primary grenades.
M2 Flamethrower - Use of M2 Flamethrower
 Perk 2
Stopping Power - Increased bullet damage.
Fireworks - Higher explosive weapon damage.
Flak Jacket - Reduces explosive damage.
Gas Mask - Protects against Tabun Gas.
Juggernaut - Increased health.
Camouflage - Undectable to enemy recon planes.
Sleight of Hand - Faster reloads.
Shades - Decreases the Brightness of signal flares
Double Tap - Increased rate of fire
Overkill - Carry two primary weapons, no pistol
 Perk 3
Deep Impact - Deeper bullet penetration.
Extreme Conditioning - Sprint for longer distances.
Steady Aim - Increased hip-fire accuracy.
Toss Back - Resets fuse of picked up grenades.
Second Chance - Revive downed allies.
Martyrdom - Drop a live grenade when killed.
Fireproof - Decreases the damage from fire attacks
Dead Silence - Make no sound when you move.
Iron Lungs - Longer breath for steadier sniper shots.
Reconnaissance - Enemy Tanks, Dogs, and Artillary show up on radar.
 Vehicle Perk
Water Cooler - Decreases turret overheat.
Greased Bearings - Increases turret rotation speed.
Ordnance Training - Decreases the reload time of turrets.
Leadfoot - Increases tank top speed.
Coaxial Machine Gun - Driver controlled machine gun.
 Kill Streak Perks
Recon Plane - Radar, 3 kill streak.
Artillery Strike - Airstrike, 5 kill streak.
Dogs - Pack of dogs, 7 kill streak.
Related ThreadsSome new perks confirmed - last post by @ Oct 7, 2008
[Updated: September 11th]Weapons, Camos, Perks, Killstreaks Confirmed in Black Ops in Black Ops - last post by @ Nov 20, 2010
EVERYONE READ! Great info about CoD:WaW - last post by @ Oct 30, 2008
COD:4 vs COD:WaW - last post by @ Dec 14, 2008
Shouldnt there be more perks? - last post by @ Feb 17, 2010