Poornam Vishwanathan
actor
- Gender: Male
- Birthday: 1921-11-15
- Day of Death: 2008-10-01 ( 87 years old )
- Place of Birth:
- Also Known As: Poornam Vishwanathan
- IMDB:nm1111221
Poornam Viswanathan was an Indian theatre and film actor, who predominantly appeared in Tamil films.