Season 3 of The World of Niall was announciated on May 9, 2016 and will premiere on 2018.
- Peyton Meyer as Niall Munroe
- Bradley Steven Perry as Josh Scott
- Rowan Blanchard as Sonny Gomez
- G. Hannelius as Tori Carter
- Jennifer Lopez as Zoey Munroe
- William Levy as Cory Munroe
- This is the possible last season of the serie.