Lilly (disambiguation)

Lilly may refer to...
 * Lilly Black - Death Eater, heir of Salazar Slytherin, mother of two children
 * Lily J. Potter - wife of James Potter and mother of Harry Potter
 * Lily L. Potter - daughter of Harry Potter and Ginny Potter (née Weasley)
 * Lily Castle - daughter with Kate Beckett, of Richard Edgar Castle and Katherine Beckett.