Categorization of Zoroastrianism-related articles is flat, that is, even if an article is also in a subcategory of :Category:Zoroastrianism, it will also appear under :Category:Zoroastrianism if it is directly related to Zoroastrianism.

• Category:Zoroastrianism (all Zoroastrianism-related articles are also under :Category:Zoroastrianism)
  • Category:Zoroastrianism stubs

• related group #1 (all also directly under :Category:Zoroastrianism)
  • Category:Yazatas
• related group #2 (all also directly under :Category:Zoroastrianism)
  • Category:Zoroastrian texts
    • Category:Avesta
• related group #3 (all also directly under :Category:Zoroastrianism)
  • Category:Zoroastrian rituals
  • Category:Zoroastrian priests
  • Category:Fire temples
    • Category:Fire temples in India

  ---  

• ancilliary group #1 (only those directly related to Zoroastrianism are also under :Category:Zoroastrianism)
  • Category:Zoroastrians
    • Category:Irani people
    • Category:Parsi people
• ancilliary group #2 (characters in Persian Mythology that are attested in the Avesta also appear under :Category:Zoroastrianism)
  • Category:Shahnameh Characters