A secret society is an organization with activities or inner functions concealed from non-members.

Secret society or Secret Society may also refer to:

• Secret Society (album), a 2006 album by Europe
• Secret Society (band), an American hip-hop group
• "Secret Society" (Justice League), an episode of the animated series Justice League
• Secret Society, a BBC documentary series that led to the Zircon affair
• Darcy James Argue's Secret Society, an American steampunk big band
• Secret Society of Second-Born Royals, a 2020 American contemporary science fantasy action superhero film
• Secret Society of Super Villains, a fictional group of comic book characters
• The Secret Society, a 2015 book about Cecil Rhodes, by Robin Brown

• Secret Society (Persia), played a role in the Persian Constitutional Revolution of 1905–1911

• Society (disambiguation)
• High society (disambiguation)