Periwinkle may refer to:
Fauna Periwinkle, a common name for a number of gastropod molluscs in the family Littorinidae Common periwinkle (Littorina littorea) Austrolittorina unifasciata Periwinkle, a regional name for the caddisfly larva Tegula pfeifferi
Flora Catharanthus or Madagascar periwinkles Catharanthus roseus or rosy periwinkle Vinca or European periwinkles Vinca major or greater periwinkle Vinca minor or lesser periwinkle Vinca herbacea or herbaceous periwinkle
Arts and entertainment Periwinkle (film), a 1917 silent film by James Kirkwood Tribulation Periwinkle, protagonist of Hospital Sketches, an 1863 compilation of sketches by Louisa May Alcott Periwinkle, a character in Blue's Clues and Blue's Clues & You! Periwinkle, a character in The Bellflower Bunnies Periwinkle, a character in the 2012 animated film Secret of the Wings from Disney, Tinker Bell's twin sister Periwinkle, the main character in Patricia A. McKillip's book The Changeling Sea
People Pauline Periwinkle (1863–1916), American journalist, poet, teacher, feminist
Other uses Periwinkle (color), a pale shade of blue , a Royal Navy corvette that served in the Second World War USS Periwinkle (1864), a steamer procured by the Union Navy during the American Civil War Periwinkle Run, a stream in Ohio