Giovanni Battista Quilici (26 April 1791 – 10 June 1844) was an Italian Roman Catholic priest and the founder of the Daughters of the Crucified as well as several other religious institutions. The priest originated from Livorno where he served as a parish priest for several decades in addition to his role as a caregiver for prostitutes and ill people – he distinguished himself during an 1835 cholera epidemic that claimed his sister. He had the esteem of other noted individuals including Grand Duke Leopoldo II and Juliette Colbert.