Lage Herbert Tedenby (born 21 May 1937) is a retired Swedish long-distance runner.

He competed in the steeplechase at the 1960 Summer Olympics, but failed to reach the final.

[1][3] Tedenby won the steeplechase at the 1961 Nordic Championships.

Later he had a serious traffic accident, but recovered and won the national 10,000 m title in 1967.

This biographical article relating to Swedish athletics is a stub.