Masaaki Ihara (伊原 正明, Ihara Masaaki, born July 5) is a Japanese seiyū (voice actor) from Osaka Prefecture who is affiliated with Ken Production.

He graduated from the 15th upper class of School Duo, a training school for voice actors attached to Ken Production. His special skills are rugby, English conversation, and Osaka dialect. His hobbies include watching horror movies and listening to Showa era songs and chiptunes.