Hibiscus waimeae is a species of flowering plant within the okra family, Malvaceae, that is endemic to the island of Kauaʻi in Hawaii.

Hawaiian hibiscus are seven species of hibiscus native to Hawaii. The yellow hibiscus is Hawaii's state flower. Most commonly grown as ornamental plants in the Hawaiian Islands are the non-native Chinese hibiscus and its numerous hybrids, though the native Hibiscus arnottianus is occasionally planted.