Nouns in Innu can take different grammatical markings. These include the following :

• gender, which marks animate and inanimate
• number, which marks singular and plural
• obviation, which marks third persons
• the locative, which marks location
• the possessive, which marks possession
• the vocative, used when addressing someone
• the diminutive, which marks that someone or something is small or implies endearment

There are two types of nouns: proper nouns and common nouns. Nouns derived from other grammatical categories are called nominalisations.