Ōtani, Otani or Ohtani may refer to:

Ōtani (surname), a Japanese surname Ōtani University, a private Buddhist university in Kita-ku, Kyoto, Japan Ōtani-ha, a branch of the Jōdo Shinshū school of Pure Land Buddhism The House of Ōtani, family of the descendants of Shinran, founder of Jōdo Shinshū

See also New Otani Art Museum