Esperanto terms that indicate people, beings, things, places, phenomena, qualities or ideas.

• Category:Esperanto noun forms: Esperanto nouns that are inflected to display grammatical relations other than the main form.
• Category:Esperanto augmentative nouns: Esperanto nouns that are derived from a base word to convey big size or big intensity.
• Category:Esperanto collective nouns: Esperanto nouns that indicate groups of related things or beings, without the need of grammatical pluralization.
• Category:Esperanto countable nouns: Esperanto nouns that can be quantified directly by numerals.
• Category:Esperanto diminutive nouns: Esperanto nouns that are derived from a base word to convey endearment, small size or small intensity.
• Category:Esperanto nominal participles: Esperanto participles that function as nouns.
• Category:Esperanto nouns with other-gender equivalents: Esperanto nouns that refer to gendered concepts (e.g. actor vs. actress, king vs. queen) and have corresponding other-gender equivalent terms.
• Category:Esperanto pluralia tantum: Esperanto nouns that are mostly or exclusively used in the plural form.
• Category:Esperanto proper nouns: Esperanto nouns that indicate individual entities, such as names of persons, places or organizations.
• Category:Esperanto uncountable nouns: Esperanto nouns that indicate qualities, ideas, unbounded mass or other abstract concepts that cannot be quantified directly by numerals.