Kalimdor and Eastern Kingdoms raids

10-player:

• Upper Blackrock Spire
• Karazhan
• Zul'Aman

20-player:

• Zul'Gurub
• Ruins of Ahn'Qiraj

25-player:

• Caverns of Time: Battle for Mount Hyjal
• Sunwell Plateau

40-player:

• Molten Core
• Onyxia's Lair
• Blackwing Lair
• Temple of Ahn'Qiraj
• Naxxramas

10 and 25 Player

• Onyxia's Lair (Patch 3.2.2)

Unknown:

• Blackwing Descent (NYI)
• Grim Batol (NYI)
• Firelands (NYI)

Outland raids

25-player:

• Gruul's Lair
• Magtheridon's Lair
• Serpentshrine Cavern
• The Eye
• Battle for Mount Hyjal
• Black Temple

Northrend raids

10 and 25-player:

• Naxxramas
• Vault of Archavon (New wings added in 3.1 and 3.2 patches)
• Chamber of Aspects (multiple wings)
• The Eye of Eternity (Nexus raid)
• Ulduar (3.1 content patch)
• Crusaders' Coliseum (3.2 content patch)

Future release raids

10 and 25-player:

• Icecrown Citadel (3.3 content patch)