Which famous detective inspired the character of Gregory House?

Sherlock Holmes inspired the character of Gregory House.

House and Holmes share several deliberate parallels: both are highly intelligent investigators who solve unusual cases through observation and deduction, both can be socially abrasive, and both use drugs at points in their stories. House’s surname also echoes Holmes’s, and House’s closest friend, James Wilson, parallels Holmes’s companion Dr. John Watson.

The connection is an influence rather than a claim that House is literally Sherlock Holmes. House works as a physician, while Holmes investigates crimes, so the show adapts the detective’s reasoning structure to diagnosis.

The medical cases therefore function like mysteries. Symptoms are clues, competing diagnoses are hypotheses, and the final diagnosis resolves the puzzle. This detective framework is one of the series’ defining features.