Lan Yu, an islet in the Pacific off southeastern Taiwan, once was called Redhead island because many of the population are red-haired. The name was changed in 1946 to the more poetic Orchid island, because the islet is abundant at high levels with orchids of the genus phalaenopsis.
蘭嶼，是台灣的一個離島，棣屬台東縣，民國卅五年，台灣光復次年，政府因當地盛產蝴蝶蘭，而將它正式命名為「蘭嶼」。