The 46-year-old director took to Twitter to announce he will be on a tour to the two countries to present the psychological thriller-horror movie.
"Will be flying to Brazil and Japan to open #Split. So excited. Can't wait," tweeted Shyamalan.
The film starred actor James McAvoy in the main lead, who played the role of a man with 23 personalities.
Shyamalan had earlier hinted that he may be working on a follow-up of the recently released movie.
The film is the second of a trilogy starting with 2000s "Unbreakable".