Eccentric consulting detective Sherlock Holmes and Doctor John Watson battle to bring down a new nemesis and unravel a deadly plot that could destroy England.
- Year: 2009
- Country: Australia, Germany, United Kingdom, United States of America
- Genre: Action, Adventure, Crime, Mystery
- Studio: Warner Bros. Pictures, Village Roadshow Pictures, Silver Pictures, Wigram Productions, Internationale Filmproduktion Blackbird Dritte
- Keyword: london, england, based on novel or book, detective, scotland yard, coffin, pentagram, black magic, arrest, partner, murder, serial killer, steampunk, whodunit, buddy, clue, curious, observation, 19th century, sherlock, victorian era, sherlock holmes, sherlock films, mystery
- Director: Guy Ritchie
- Cast: Robert Downey Jr., Jude Law, Rachel McAdams, Mark Strong, Eddie Marsan, Robert Maillet