Yoshiyuki Ishihara is a Japanese former professional baseball player. He has played in Nippon Professional Baseball (NPB) for the Hiroshima Toyo Carp.
Hiroshima Toyo Carp selected Ishihara with the forth selection in the .
On October 5, 2002, Ishihara made his NPB debut.
On October 12, 2020, Ishihara announced his retirement after the season.