Shinji Yamashita (山下 真司, Yamashita Shinji, born December 16, 1951 in Shimonoseki, Yamaguchi Prefecture, Japan) is a Japanese actor who is represented by the talent agency From First Production.

He graduated from Shimonoseki Commercial High School and dropped out from Chuo University's Faculty of Letters.

His first lead role was a passionate teacher in School Wars: Hero which became a hit.

Yamashita was later a reporter in the cooking travelogue program Kuishinbō!

Banzai and had the longest run in that role until it was broken by Shuzo Matsuoka.