Rotunda refers to any building with a circular ground plan, often covered by a dome. Rotunda or The Rotunda may also refer to:
Rotunda (geometry), a family of dihedral-symmetric polyhedra with alternating pentagons and triangles around an axis United States Capitol rotunda, in Washington, D.C.
Places Czech Republic Rotunda of Saint Catherine in Znojmo
Greece Arch of Galerius and Rotunda, Rotunda of St. George, built in Thessaloniki in 306 AD
Ireland Rotunda Hospital, Dublin
Malta Rotunda of Mosta, in Mosta
Moldova Rotunda, Edineț, a commune in Edineţ District
Romania Rotunda, Olt, a commune in Olt County Rotunda, a village in Corbeni Commune, Argeș County Rotunda, a village in Buza Commune, Cluj County Rotunda, a village in Doljești Commune, Neamț County Rotunda, a village administered by Liteni town, Suceava County Rotunda, a tributary of the Bistrița in Suceava County Rotunda (Lăpuș), a tributary of the Lăpuș in Maramureș County
United Kingdom Rotunda, Birmingham, a cylindrical highrise building in Birmingham Rotunda, Woolwich, a John Nash building in Woolwich, London Blackfriars Rotunda (1787–1958), a building in Southwark The Rotunda at Ranelagh Gardens, London, a former fashionable social meeting place and function room Rotunda Museum, a museum of geology in Scarborough, North Yorkshire, England Glasgow Harbour Tunnel Rotundas, flanking the River Clyde in Scotland Rotunda, Aldershot, a former Methodist church in Aldershot, Hampshire
United States The Rotunda (Baltimore), a mixed-use property in northern Baltimore, Maryland The Rotunda (Hermann, Missouri), listed on the NRHP in Missouri The Rotunda (New York City), a building in Manhattan 1818–1870 The Rotunda (University of Virginia) The Rotunda (Longwood University) D'Alemberte Rotunda, on the campus of Florida State University Ford Rotunda, a former tourist attraction in Dearborn, Michigan
Music "Rotunda", a song on the 1977 album Inner Voices, by McCoy Tyner "Rotunda", a 2011 single by Markus Schulz "Rotunda", a 1970 song by Tom Rush on the album Wrong End of the Rainbow "Rotunda", a 1996 song by Joe Morris from Elsewhere
People Kyndra Rotunda (born 1973), American legal academic Ronald Rotunda (1945–2018), American legal academic Mike Rotunda (born 1958), American professional wrestler Bray Wyatt (Windham Rotunda; 1987–2023), American professional wrestler and son of Mike Rotunda Bo Dallas (Taylor Rotunda; born 1990), American professional wrestler and son of Mike Rotunda
Other uses Rotunda (script), a specific medieval blackletter script Rotunda radicals, or Rotundists, London radical reformers who gathered around the Blackfriars Rotunda in the 1830s A localized term for a traffic roundabout