Oscar Fitzallen Moore (January 27, 1817 – June 24, 1885) was a U.S. Representative from Ohio.

He was admitted to the bar in 1838 and commenced practice in Portsmouth, Ohio, in 1839.

He resumed the practice of his profession in Portsmouth, Ohio.

He was interred in Greenlawn Cemetery, Portsmouth, Ohio.

This article incorporates public domain material from the Biographical Directory of the United States Congress