Allegro

Allegro may refer to:

• Allegro (music), a tempo marking
• Allegro (ballet), brisk and lively movement

Music and film works

• "Allegro", any of several musical works in Nannerl Notenbuch by Wolfgang Amadeus Mozart
• "Allegro", a composition by Bear McCreary in Music of Battlestar Galactica (reimagining)#Season 2 soundtrack
• Allegro (film), a 2005 Danish film by Christoffer Boe
• Allegro (musical), a 1947 musical by Rodgers and Hammerstein

Science and software

• Allegro gravitational-wave detector
• Allegro (software), a software library for video game development
• Allegro 8 (software), risk management software by Allegro Development Corporation
• Allegro Common Lisp, a variant of the Common Lisp programming language
• Allegro Platform, an ECAD tool by Cadence Design Systems

People with the surname

• John Marco Allegro, Dead Sea Scrolls scholar

Other uses

• Allegro (auction website), a Poland-based online auction website
• Allegro (restaurant), a luxury restaurant in Prague
• Allegro (train), a passenger train service between Helsinki and Saint Petersburg
• Allegro (typeface), a typeface designed in 1936
• Allegro speech, a relatively fast manner of speaking
• Austin Allegro, a car once manufactured by British Leyland
• Líneas Aéreas Allegro, a Mexican airline