Magnanti may refer to:

• Brooke Magnanti, scientist, blogged as Belle de Jour (writer)
• Thomas L. Magnanti, engineer and academic

• UPI College Basketball Player of the Year
• UPI College Football Player of the Year
• UPI.com
• Upie
• Upier
• Upiga
• UPIITA
• UPILEX
• Upilka
• UPIN
• Up in Arms Theatre Company
• Up In Arms Tour
• Up in Arms Tour
• Up in Central Park
• Up in Central Park (film)
• Up in Daisy's Penthouse
• Upinder Singh
• Up in Duke's Workshop
• UPI NFC Defensive Player of the Year
• UPI NFC Defensive Player of the Year Award
• UPI NFC Offensive Player of the Year
• UPI NFL Coach of the Year
• Upington, Northern Cape
• Upington railway station
• Up In Heah