Deiopea
Deiopea  may refer to:
 Deiopea (ctenophore), a genus of ctenophores (comb jellies) in the family Eurhamphaeidae

Greek mythology
 Deiopea (Nereid), one of the Nereids
 Deiopea (Cyrenid), a nymph, follower of Cyrene, that Juno promised in marriage to Aeolus if he would unleash his winds against Aeneas