Althea is a female given name.
Althea may also refer to:
Althea, shrub althea, shrub althaea and rose of althea, common names for Hibiscus syriacus, an ornamental plant that is South Korea's national flower Althea, Missouri, United States, a ghost town Althea Racing, Italian-based motorcycle road racing team Operation Althea, a European Union military operation in Bosnia and Herzegovina "Althea" (song), a song by Grateful Dead Althea, a fictional pulsar from the science-fiction novel The Hercules Text by Jack McDevitt
Ships , a British merchantman launched in 1802 at Calcutta, wrecked in 1812 , a tugboat that served during the American Civil War , a motorboat built in 1907
See also Althaea (disambiguation) Altea (disambiguation)