Otus may refer to:Otus (education), a K-12 educational technology company HMS Otus, two ships in the Royal Navy Otus (bird), genus of owls Otus (mythology), giant in Greek mythology, brother of Ephialtes, one of Aloadae Otus of Cyllene, hero in Greek mythology, killed by Hector in Trojan War USS Otus (ARG-20) (1940–1946), an internal combustion engine repair ship "Otus the Head Cat", weekly column in the Arkansas Democrat-Gazette by Michael Storey Otus (lens), high-performance lens series by Carl Zeiss AG Tonmi Lillman or Otus (1973–2012), member of a band Lordi "of the United States", as in POTUS, FLOTUS, and SCOTUS Moto E 3G, a Motorola Android smartphone, codename otus Otus, a playable character from the 2016 Video Game Owlboy from D-Pad Studio Operational taxonomic unit, operational taxonomic units in biology