Here's a somewhat thorough list of WotC published golems. I've listed the most recent source I'm aware of.
Golem, Amber [Mystara Monstrous Compendium Appendix]
Golem, Ash [Monstrous Compendium Dark Sun Appendix]
Golem, Blood [WotC web site]
Golem, Blood Golem of Hextor [Fiend Folio]
Golem, Bone [Monstrous Manual]
Golem, Brain [Fiend Folio]
Golem, Brass [Monster Manual II]
Golem, Chain [Monster Manual II]
Golem, Chitin [Monstrous Compendium Dark Sun Appendix]
Golem, Clay [Monster Manual 3.5]
Golem, Coal [WotC web site]
Golem, Crystal (aka Psion-killer) [Psionics Handbook]
Golem, Demonflesh [Fiend Folio]
Golem, Doll [Monstrous Manual]
Golem, Dragonflesh [Monster Manual II]
Golem, Equine [Arms and Equipment Guide]
Golem, Flesh [Monster Manual 3.5]
Golem, Flesh (Ravenloft) [Ravenloft Monstrous Compendium Appendix III]
Golem, Furnace [Monstrous Compendium Spelljammer Appendix]
Golem, Gargoyle [Monstrous Manual]
Golem, Gemstone: Diamond [Monsters of Faerun]
Golem, Gemstone: Emerald [Monsters of Faerun]
Golem, Gemstone: Ruby [Monsters of Faerun]
Golem, Glass [Monstrous Manual]
Golem, Hammer [Monstrous Compendium Annual Volume One]
Golem, Hellfire [Fiend Folio]
Golem, Iron [Monster Manual 3.5]
Golem, Lightning [Monstrous Compendium Forgotten Realms Appendix]
Golem, Maggot [Monstrous Compendium Annual Volume Four]
Golem, Magic [Monstrous Compendium Annual Volume Three]
Golem, Magma [Dark Sun Monstrous Compendium Appendix II]
Golem, Mechanical [Ravenloft Monstrous Compendium Appendices I & II]
Golem, Mist [Ravenloft Monstrous Compendium Appendix III]
Golem, Mithral [Epic Level Handbook]
Golem, Mud [Mystara Monstrous Compendium Appendix]
Golem, Obsidian (Athasian) [Monstrous Compendium Dark Sun Appendix]
Golem, Radiant [Monstrous Compendium Spelljammer Appendix]
Golem, Razor [WotC web site]
Golem, Rock [Mystara Monstrous Compendium Appendix]
Golem, Rock (Athasian) [Monstrous Compendium Dark Sun Appendix]
Golem, Salt [Dark Sun Monstrous Compendium Appendix II]
Golem, Sand [Monstrous Compendium Dark Sun Appendix]
Golem, Shaboath [Monstrous Compendium Annual Volume Three]
Golem, Silver [Mystara Monstrous Compendium Appendix]
Golem, Skeletal [Mystara Monstrous Compendium Appendix]
Golem, Snow [Ravenloft Monstrous Compendium Appendix III]
Golem, Spiderstone [Monstrous Compendium Annual Volume One]
Golem, Stained Glass [Monster Manual II]
Golem, Stone [Monster Manual 3.5]
Golem, Stone (Greater) [Monster Manual 3.5]
Golem, Thayan [Monsters of Faerun]
Golem, Wax [WotC web site]
Golem, Wood [Monstrous Compendium Dark Sun Appendix]
Golem, Zombie [Ravenloft Monstrous Compendium Appendices I & II]
Golem: Burning Man [Monstrous Compendium Annual Volume Two]
Golem: Drolem [Mystara Monstrous Compendium Appendix]
Golem: Iron Gargoyle [Mystara Monstrous Compendium Appendix]
Golem: Juggernaut [Monstrous Manual]
Golem: Metagolem [Monstrous Compendium Annual Volume One]
Golem: Phantom Flyer [Monstrous Compendium Annual Volume Two]
Golem: Stone Guardian [Monstrous Manual]
Half-golem (Template) [Monster Manual II]
Half-golem, Brass [WotC web site]
Half-golem, Clay [Monster Manual II]
Half-golem, Dragonflesh [WotC web site]
Half-golem, Flesh [Monster Manual II]
Half-golem, Iron [Monster Manual II]
Half-golem, Stained Glass [WotC web site]
Half-golem, Stone [Monster Manual II]