No, there is a group of plural use indefinite pronouns such as:
See the link below for a helpful chart of singular, plural, and dual use indefinite pronouns.
The singular subjective personal pronouns are: I, you, he, she, it.
The singular possessive pronouns are "my," "mine," "your," "yours," "his," "her," and "its."
The singular personal pronouns are: I, he, she, it, me, him, her and you (which is both singular and plural).The singular demonstrative pronouns are: this and thatThe singular possessive pronouns are: mine, his, hers, its, and yours (which is both singular and plural).The singular possessive adjectives are: my, his, her, its, and your (which is both singular and plural).The singular reflexive pronouns are: myself, himself, herself, itself, and yourself.The singular reciprocal pronouns are: each other, one another.The singular indefinite pronouns are: another, anybody, anyone, anything, either, enough, everybody, everyone, everything, less, little, much, neither, nobody, no one, nothing, one, somebody, someone, something.The indefinite pronouns that can be singular or plural are: all, any, more, most, none, some, such.
The singular objective pronouns are "me," "him," "her," and "it." The plural objective pronouns are "us," "them," and "it."
Indefinite pronouns can be singular, plural, or singular/plural depending on the context. Examples of singular indefinite pronouns include "anyone," "everyone," and "something." Plural indefinite pronouns include "both," "many," and "several." Some indefinite pronouns, like "all," "some," and "none," can be either singular or plural depending on the context.
The singular form of subject pronouns includes: I, you, he, she, it. The plural form includes: we, you, they.
The third person, singular, nominative pronouns are: she, he, it.
Three singular subject pronouns are I, he, she. Note, the pronoun you can be singular or plural and subject or object.
The pronouns "he," "she," "it," and "one" always take a singular form of a verb.
The third person singular nominative pronouns in English are "he," "she," and "it." These pronouns are used when referring to a single person or object as the subject of a sentence.
The singular demonstrative pronouns are "this" and "that." "This" is used to refer to something close to the speaker, while "that" is used to refer to something farther away.
An example of a singular demonstrative is "this book."