Magnus Ehrner (b. 1952), Swedish actor who voiced Ernie in Bert och Ernie på äventyr, the second run of Sesam, Räkna med Greven (Count TV) and on Lek med mig i Sesam (Play with Me Sesame.

Since 1983 he has been employed at the Swedish national theater, Dramaten. SOme of his many stage credits include Julius Caesar, the Tin Man in The Wizard of Oz, Macbeth, Claudio in The Taming of the Shrew, and Herr Schultz in Cabaret.

Other voice credits include Bob the Builder, Mousehunt, Dwight in Free Willy and Free Willy 2.