Megumi Ōhara is a Japanese voice actress born on April 16, 1975, in Tokyo, Japan. She is affiliated with the talent agency Kekke Corporation.

Ōhara is best known for her long-running role as the voice of Nobita Nobi in the Doraemon media franchise. She began voicing the character in the 2005 television anime series, a role she has continued for many years. Her filmography includes numerous entries in the Doraemon theatrical film series, such as Eiga Doraemon: Nobita no Chikyū Symphony and Eiga Doraemon: Nobita no Esekai Monogatari, as well as films like Doraemon: Nobita's New Great Adventure into the Underworld, Doraemon: Nobita and the Island of Miracles - Animal Adventure, and Doraemon the Movie: Nobita and the Steel Troops: The New Age. She has also voiced the character in various video games based on the series.

Beyond her work in the Doraemon franchise, Ōhara has had other roles in anime, including a supporting role in the 2010 television series And Yet the Town Moves.