Vijaykumar Vyshak (বিজয়কুমার বৈশাখ) is an Indian cricketer who plays for Karnataka in domestic cricket and Punjab Kings in the Indian Premier League. He made his List A debut on 24 February 2021, for Karnataka in the 2020–21 Vijay Hazare Trophy. He made his Twenty20 debut on 5 November 2021, for Karnataka in the 2021–22 Syed Mushtaq Ali Trophy. He made his first-class debut on 17 February 2022, for Karnataka in the 2021–22 Ranji Trophy.

On 7 April 2023, Royal Challengers Bangalore signed Vyshak Vijay Kumar as a replacement for Rajat Patidar for 2023 Indian Premier League.