അച്ഛാ ദിന്
- taona: 2015
- Firenena: India
- Genre: Drama, Thriller
- Studio: Cyn-Cyl Celluloid
- Keyword: police, bomb, pregnancy, terrorism, terrorist group
- tale: G. Marthandan
- Cast: Mammootty, Mansi Sharma, Renji Panicker, Kishore, Maniyanpilla Raju, Kunchan