kamal haasan the only actor who has won the filmfare award for best actor in tamil, telugu, kannada, malayalam, and hindi

He has totally won 19 awards in the 5 languages, in that 17 awards under Best Actor category.

Hindi:-

👉Saagar (Best Actor)

👉Virasat (Best Story writer)

Kannada (Best Actor):-

👉Pushpak

Malayalam (Best Actor):-

👉Kanyakumari

👉Yaetta

Telugu (Best Actor):-

👉Aakali Rajyam

👉Sagara Sangamam

👉Indrudu Chandrudu

Tamil (Best Actor):-

👉Apoorva Raagangal

👉Oru Oodhappu Kan Simittugiradhu

👉16 Vayadhinile

👉Sigappu Rojakal

👉Raja Paarvai

👉Apoorva Sagodharargal (Best Film as Producer)

👉Guna

👉Thevar Magan

👉Kuruthipunal

👉Indian

👉Hey Ram