Ryosei Tayama
- Born
- 9 August 1951 (75 years)
- Place of birth
- Midori Ward, Nagoya, Aichi Prefecture, Japan
- Gender
- Male
Ryôsei Tayama (田山 涼成, Tayama Ryōsei, August 9, 1951) is a Japanese actor and talent born in Midori Ward, Nagoya City, Aichi Prefecture. His real name and old stage name is 高山 良一. He is represented by SIS Company.