Diary is a 2022 Indian Tamil-language supernatural mystery thriller film written and directed by debutant Innasi Pandiyan and produced by S. Kathiresan. The film was distributed by his cousin Udhayanidhi Stalin under his banner Red Giant Movies. The film features Arulnithi and Pavithra Marimuthu in lead roles. The film's music and score is composed by Ron Ethan Yohann, with cinematography handled by Aravinnd Singh and editing done by S. P. Raja Sethupathi. It was shot extensively across Tamil Nadu including Chennai, Coonoor, Ooty, Mettupalayam and Coimbatore.

Kishore Kumar G, known mononymously as Kishore, is an Indian actor who appears in Kannada, Tamil and Telugu films alongside few Malayalam films. He gained popularity for portraying the character of Veerappan in the Kannada film Attahasa in 2013.