Fake Jason Bourne, or Bourne's Doppelganger, is a term for hired assassins in The Bourne Supremacy (film)] and The Bourne Supremacy (novel), who framed Jason Bourne for their own crimes.

Bourne Supremacy (Film)

In the movie, Kirill, hired assassin of Yuri Gretkov, planted Jason Bourne's fingerprint in a bomb that shut down the power in a building.

Bourne Supremacy (novel)

In the novel, Sheng Chou Yang's assassin used the myth of Bourne in Asia to cover Sheng's Plan.