Nobuyo Ōyama(大山 のぶ代,Ōyama Nobuyo?), born Nobuyo Yamashita (山下 羨代,,Yamashita Nobuyo?) on October 16, 1936 in Tokyo, is a seiyū currently represented by Actors Seven.
She is best known for playing the title character in the long-running Doraemon anime.