Allegro
- Allegra (disambiguation)
- Allegro (Satie)
- Allegro (ballet)
- Allegro (film)
- Allegro (music)
- Allegro (musical)
- Allegro (restaurant)
- Allegro (software library)
- Allegro (train)
- Allegro (typeface)
- Allegro (website)
- Allegro Common Lisp
- Allegro Development Corporation
- Allegro Platform
- Allegro gravitational-wave detector
- Allegro speech
- Audacity (audio editor)
- Austin Allegro
- John Marco Allegro
- L'Allegro
- Líneas Aéreas Allegro
- Mazda Familia
- Music of Battlestar Galactica (reimagining)
- Nannerl Notenbuch
- Whole Foods Market