"John Clark (disambiguation)" refers to multiple individuals and topics associated with the name John Clark. This includes notable figures such as John Clark, the American author known for his works in fiction and non-fiction, and John Clark, a prominent figure in the field of science and technology. Additionally, the term may refer to various fictional characters named John Clark, including those in literature and film. For instance, John Clark is a character in the Tom Clancy universe, appearing in several novels and adaptations. The disambiguation page helps clarify these different references to avoid confusion.