Krishnadev Yagnik (born 17 October 1984), is an Indian film director and screenwriter, known for his works primarily in Gujarati cinema. He is known for directing films such as Chhello Divas (2015), Karsandas Pay & Use (2017), and Shu Thayu? (2018). Shu Thayu? and Chhello Divas are the 3rd and 4th Highest-grossing Gujarati films respectively. He has also directed the Hindi remake of his film Chhello Divas titled Days of Tafree in 2016.

He co-founded the film production house called Belvedere Films, under which the films Shu Thayu?, Chhello Divas and Karsandas Pay & Use were produced. He wrote and directed Raado (2022), Naadi Dosh (2022) and Vash (2023); all Gujarati films.