SW6 may refer to:

• SW postcode area
• Fulham
• West London derby
• Legion of Super-Heroes
• Star Wars Episode VI: Return of the Jedi
• The codename for Th13teen at Alton Towers, England.

• British Museum Act 1805
• British Museum Act 1807
• British Museum Act 1816
• British Museum Act 1824
• British Museum Act 1824 c.39
• British Museum Act 1824 c.60
• British Museum Act 1832
• British Museum Act 1839
• British Museum Act 1878
• British Museum Act 1902
• British Museum Act 1924
• British Museum Act 1930
• British Museum Act 1932
• British Museum Act 1938
• British Museum Act 1946
• British Museum Act 1955
• British Museum Act 1962
• British Museum Act 1963
• British Museum Algorithm
• British Museum Department of Africa, Oceania and the Americas
• British Museum Department of Ancient Egypt and Sudan
• British Museum Department of Asia
• British Museum Department of Coins and Medals
• British Museum Department of Conservation, Documentation and Science
• British Museum Department of Greek and Roman Antiquities