Ernest Peter Burger (September 1, 1906 – October 9, 1975) was a German-American who was a saboteur for Germany during World War II who defected to the United States.

However, after being deployed, he and fellow saboteur George John Dasch defected and betrayed the other six agents involved to the Federal Bureau of Investigation.

In 1948, President Harry S. Truman granted Burger executive clemency conditional on his deportation to the American occupation zone in Germany, where he died in 1975.

He took part in Operation Pastorius, a plan by which eight German saboteurs were to be transported by U-boat to the United States.

[8] In 1948, President Harry S. Truman granted executive clemency to Dasch and Burger on the condition they be deported to the American occupation zone in Germany.