Calogero is a name of Italian origin. See the linked article for a list of persons with this name.

Calogero may also refer to:

• Calogero (singer) (born 1971), French singer songwriter
• Calogero (album), 2002 album of the French Italian singer songwriter Calogero
• San Calogero, comune (municipality) in the Province of Vibo Valentia in the Italian region Calabria

• Sir Kazimierz Stanislaw Gzowski
• Sirk Cici
• Sirkeci Terminal
• Sirkedji Station
• Sir Kei
• Sir Keith Arthur Murdoch
• Sir Kenelm Edward Digby
• Sir Kenneth Bradshaw
• Sir Kenneth Clinton Wheare
• Sir Kenneth Dover
• Sir Kenneth Mackenzie, 3rd Baronet
• Sir Kenneth Mackenzie Douglas, 1st Baronet
• Sir Kenneth Macmillan
• Sir Kenneth O'Connor
• Sir Kevin O'Donoghue
• Sir Kevin Reginald Tebbit
• Sir Kevin Reginald Tebbit KCB CMG
• Sir Kevin Tebbit
• Sir Kex
• Sirkiband
• Sir Kieran Prendergast
• Sir Kildare Borrowes, 3rd Baronet
• Sir Kildare Borrowes, 5th Baronet
• Sir Kildare Dixon Borrowes, 5th Baronet
• Sir Kingsley Amis