The two films, along with "Margarita, With A Straw", "Labour Of Love", "Goli Soda" and "Zahir" from the country, will be showcased as part of the 'A Window on Asian Cinema' category at the fest.
BIFF is scheduled to be held Oct 2-11.
Homi Adajania, the director of "Finding Fanny" is ecstatic that his English language movie starring Hindi film actors, is among the chosen projects.
"Yeehaa! @FindingFanny officially invited to the BUSAN International Film Festival! @arjunk26 @deepikapadukone @ankurtewari @Anaita_Adajania," he tweeted Wednesday.
The movie is slated to release Sep 12.
Meanwhile, "Haider" too is among the much-awaited Bollywood films this year. With Shahid Kapoor in the lead role, this Vishal Bhardwaj directorial is the Indian adaptation of William Shakespeare's play Hamlet.