The name or term "Marduk" may refer to:
- Marduk — A Dark Apostle of the Word Bearers.
- Marduk (Confessor) — An Imperial Arch-Confessor.
- Saint Marduk's Bane — A Dead World of the Imperium, formerly known as Colkasth, renamed after the above.
- Marduk (Tallarn) — An officer of the Tallarn 3rd Armoured.
- Marduk Sedras — An Eskaton of the Dark Angels Dreadwing.