When referring to an anonymous person, there are several synonyms that can be used to convey the same idea. Some of the most common alternatives to the term anonymous person include incognito, nameless, unidentified, faceless, unknown, and undisclosed. These synonyms all share the same basic meaning of referring to someone who is not known or recognized by name or appearance. They are often used in reference to situations where the identity of an individual is not revealed or is intentionally kept secret. Whether you are writing an article, a piece of fiction, or simply trying to vary your vocabulary, these synonyms can be useful alternatives to the term anonymous person.