Baden (an obsolete German word for "Baths") is the western part of the German state of Baden-Württemberg, named for Baden-Baden, which was named for its hot springs.

Baden may also refer to:

• Baden, Tasmania, a locality in Tasmania

• Baden, Austria, also known as "Baden bei Wien" (Baden near Vienna)
• Baden District, Austria, a district of the state of Lower Austria in Austria

• Baden, Ontario

• Baden, Morbihan

• Baden-Baden, officially named "Baden" until 1931, a town located in the Black Forest, Baden-Württemberg, Germany
• Baden, Lower Saxony, a village near Bremen
• Margraviate of Baden, its subdivisions and successor states:
  • Margraviate of Baden (1112–1803), a historical territory of the Holy Roman Empire along the east side of the Upper Rhine River in southwestern Germany
    • Margraviate of Baden-Baden
    • Margraviate of Baden-Durlach
    • Margraviate of Baden-Hachberg
    • Margraviate of Baden-Rodemachern
  • Electorate of Baden (1803–1806)
  • Grand Duchy of Baden (1806–1918)
  • Republic of Baden (1918–1945), part of the Weimar Republic and Nazi Germany
  • Land Baden (1945–1952), the southern half of the former Republic of Baden, a subdivision of the French occupation zone of post-World War II Germany, after the previous states of Baden and Württemberg had been split up between the US and French occupation zones
  • Württemberg-Baden (1945–1952), a subdivision of the US occupation zone of post-World War II Germany
  • Baden-Württemberg, a federal state in modern Germany since 1952

• Baden, Switzerland, a town in Switzerland, also unofficially known as "Baden bei Zürich" (Baden near Zürich) or "Baden in Aargau"
• County of Baden, a condominium (1415–1798) of the Old Swiss Confederacy
• Canton of Baden, canton of the Helvetic Republic (1798–1803)
• Baden District, Switzerland, a district in the canton of Aargau, Switzerland

• Baden, Ukraine, a village in the Rozdilnianskyi Raion near Odesa

• Baden, Maryland, a census-designated place in Prince George's County
• Baden, Pennsylvania, a borough in Beaver County
• Baden, St. Louis, Missouri, a neighborhood
• Baden, the original name of South San Francisco, California

• Allison Baden-Clay, an Australian woman who was murdered by her husband Gerard Baden-Clay in 2012
• Baden Powell (guitarist), Brazilian bossa nova guitarist
• Charlotte Baden, Danish writer
• Fred Baden, American politician; see Louisiana Political Museum and Hall of Fame
• Michael Baden, forensic pathologist and professional witness
• Robert Baden-Powell, 1st Baron Baden-Powell, founder of Scouting

• SMS Baden (1880), a Sachsen-class of the German Imperial Navy
• SMS Baden, a Bayern-class of the German Imperial Navy during World War I
• FV Baden, a fishing trawler in service 1934-39, served as the vorpostenboote V 214 Baden and V 404 Baden during World War II

• FC Baden, a Swiss football club based in Baden, Switzerland

• Baden culture, an archaeological culture of the late Eneolithic
• Baden School, Baden School of Neo-Kantians (also known as Southwest School)
• Treaty of Baden (1714), ending conflict between France and the Holy Roman Empire and the last treaty ending the War of the Spanish Succession
• Treaty of Baden (1718), ending conflicts among several Swiss cantons

• All pages with titles containing Baden (disambiguation)
• Baden Baden (disambiguation)
• Bath (disambiguation), the equivalent English placename
• Caspar A. Baaden (died 1918), New York politician