Toyohiro Akiyama (秋山豊寛 Akiyama Toyohiro) (born July 7, 1942) is a Japanese TV journalist and cosmonaut.

Born in Setagaya Ward , Japan, he became a reporter for the Japanese TV-Company TBS (Tokyo Broadcasting System), and also worked for the BBC in London 1967-1971.

He was selected for cosmonaut training on August 17, 1989, as a journalist-cosmonaut sponsored by TBS. He flew on Soyuz TM-11 in December 1990, spending 7 days 21 hours and 54 minutes in space. He was the first Japanese in space, the first professional Japanese astronaut of the NASDA was Chiaki Mukai in 1994.

After his spaceflight he became Deputy Director of TBS News Division. In 1995 he resigned from TBS to pursue private interests.

His hobbies include sailing, hiking, swimming, later he also became an active balloonist. He is married with two children.