Roundel (disambiguation)

• London Underground
• Military aircraft insignia
• Neolithic circular enclosures in Central Europe
• Rondache
• Rondel (disambiguation)
• Rondel dagger
• Roundel
• Roundel (fortification)
• Roundel (heraldry)
• Roundel (magazine)
• Roundel (poetry)
• Royal Air Force roundels
• Tondo (art)