Alessandro Sanquirico (1777–1849) was an Italian set designer, architect and painter from Milan. He imagined the stages for La Scala Theatre and characterized its style from 1818 to 1832, becoming one of the most important set designers of his time. All of his designs follow a similar structural pattern to visually re-create the mood of the then growing romantic style of Italian opera: adorned architectural elements, accurate in every detail, in the foreground, merged with drawings of landscapes in the background. His original illustrations are still preserved at La Scala.