Arethusa

Arethusa may refer to:

Mythology

 * Arethusa (mythology), a nereid nymph who became a fountain
 * Arethusa (Greek myth) several other figures also called Arethusa
 * Arethusa, one of the Hesperides nymphs

Places

 * Arethusa (Mygdonia), an ancient city in Mygdonia of ancient Macedonia
 * Arethusa, ancient name of Al-Rastan, Syria
 * Arethusa (see), a titular see of Syria near Apamea
 * Arethousa, a municipal unit in the Thessaloniki regional unit, Greece
 * Arethousa, Ikaria, a village on the Greek island Ikaria
 * Arethusa Falls, one of the highest waterfalls in New Hampshire, USA
 * Antipatris, refounded in 64–63 BC by Pompey as Arethusa
 * Fountain of Arethusa, a fountain in Ortygia, Sicily, named from the above-mentioned nereid

Maritime

 * Arethusa-class cruiser (disambiguation), two classes of Royal Navy cruiser
 * Arethusa-class cruiser (1913), eight light cruisers built in 1912–1914 that served in World War I
 * Arethusa-class cruiser (1934), four light cruisers built in 1934–1936 that served in World War II
 * Aréthuse-class submarine, a class of French submarine, in service 1958-1981
 * HMS Arethusa, nine ships of the Royal Navy, 1759 to 1991
 * The Saucy Arethusa, a ballad about the action of 17 June 1778
 * Three training ships operated by the Shaftesbury Homes and Arethusa charity
 * Arethusa, formerly HMS Arethusa (1849)
 * Arethusa II (1932–1975), formerly Peking (ship)
 * Arethusa III, a much smaller ketch used as a training ship
 * FRENCH SHIP Aréthuse, various ships of the French Navy
 * USS Arethusa, three ships of the United States Navy 1864 to 1946

Science

 * Arethusa (plant), a monospecific genus of orchids (Dragon's mouth, Arethusa bulbosa)
 * Arethusa De Montfort, 1808, a foram
 * Arethusa Barrande, 1846, the occupied name for a trilobite, now renamed to Aulacopleura
 * Arethusa Oken, 1815, a synonym for the Portuguese man o' war
 * Arethusa caravell Oken, 1815, a synonym for the Portuguese man o' war
 * 95 Arethusa, an asteroid

Other

 * Arethusa (journal), an academic journal
 * Arethusa, a poem by Percy Bysshe Shelley
 * Aretousa, a main character in the early 17th century romance Erotokritos
 * Arethusa, the writer of a letter in Propertius, 4.3 ('Arethusa sends these instructions to her lycotas,')
 * Shaftesbury Homes and Arethusa, one of the oldest charities dealing with children in the United Kingdom
 * Arethusa, a residential activities centre in Upnor, Kent, run by Shaftesbury Homes and Arethusa