Vishwak Sen is a Telugu actor, screenwriter, and director, known for his work in the Indian film industry. He changed his name from Dinesh Naidu, his birth name, before entering the industry, following his father's suggestion due to his belief in numerology.

Sen pursued a degree in journalism at Little Flower College in Hyderabad. Later, he pursued theatre at Actors Prepares in Mumbai.

Sen debuted with the Telugu film Vellipomakey (2017) in 2017, where he played the role of Chandrashekar. The romantic drama was written and directed by Mohammed Ali. He was nominated for the SIIMA Award (2017) for Best Debutant Actor for his role in the film.

In 2018, Sen acted in the comedy-drama Ee Nagaraniki Emaindi (2018), directed by Tharun Bhascker Dhaassyam. He won the award for Best Debut Actor at the 17th Santosham Film Awards for his portrayal of Vivek in the movie. The next year, Sen acted in the romance action Falaknuma Das (2019), which he also wrote and directed, while his father, Karate Raju, produced the film.

In 2020, Sen acted in the popular film HIT (2020), directed by Sailesh Kolanu. Sen played the role of inspector Vikram Rudraraju. The film was picked up for a Hindi remake, Hit: The First Case (2022), starring Rajkummar Rao and Sanya Malhotra.

He played the role of Prem in the 2021 romantic comedy film Paagal (2021), directed by Naresh Kuppili and produced by Lucky Media. In 2022, he portrayed the character of Arjun Kumar Allam in the Telugu romantic comedy film Ashoka Vanamlo Arjuna Kalyanam (2022), written by Ravi Kiran Kola and directed by Vidyasagar Chinta.

Vishwak starred in the film Ori Devuda (2022) in 2022 as Arjun Durgaraju, a remake of the Tamil film Oh My Kadavule (2020) directed by Ashwath Marimuthu. He also appeared in Mukhachitram (2022) as Vishwamitra in 2022 and in HIT: The 2nd Case (2022) as Vikram Rudraraju.

Vishwak's films also include Das Ka Dhamki (2023) and Gaami (2023) and October 31st Ladies Night (????), where he has a cameo appearance.