Ianthe (Ἰάνθη; English translation: "purple or azul flower") may refer to:

Greek mythology Ianthe, Cretan girl who married Iphis after Isis turned Iphis from a woman into a man Ianthe (mythology), one of the 3,000 Oceanids

People Ianthe Elizabeth Brautigan (born 1960), American writer, daughter of Richard Brautigan Ianthe Jeanne Dugan, investigative reporter for the Wall Street Journal Ianthe Jerrold (1898–1977), British novelist Ianthe Thomas (1951–2002), American children's author Ianthe, Lord Byron's nickname for Lady Charlotte Harley, to whom Childe Harold's Pilgrimage is dedicated Ianthe, Walter Savage Landor's nickname for his unrequited love Sophia Jane Swift Ianthe, nickname of actress Mary Saunderson Ianthe, a pen name of Emma Catherine Embury

Fictional characters Ianthe, in Queen Mab (poem), an 1813 poem by Percy Bysshe Shelley Ianthe, a spirit in "Al Aaraaf," an 1829 poem by Edgar Allan Poe Ianthe, love interest of the main character in John William Polidori's The Vampyre Ianthe, in Roelstra's Line in the Dragon Prince series Ianthe, in An Unsuitable Attachment, a posthumous work by Barbara Pym Ianthe, in Sylvester, or the Wicked Uncle, a 1957 book by Georgette Heyer Ianthe, in A Court Of Mist And Fury, a 2016 book by Sarah J. Maas Ianthe, in House of Names, a 2017 book by Colm Tóibín Ianthe, in The Locked Tomb series by Tamsyn Muir

Biology Ianthe, a genus of isopods formerly known as Tole Kylix ianthe, a sea snail in the family Drilliidae Pieris ianthe - see Belenois hedyle Dichomeris ianthes - see Dichomeris acuminata Pseudoneptis bugandensis ianthe - see Pseudoneptis

Other uses Lake Ianthe, a lake on the West Coast of New Zealand 's South Island 98 Ianthe, a main belt asteroid Ianthe, a fabric and leatherwork pattern owned by Liberty of London Co.