Roh Deok (born 1980) is a South Korean film director and screenwriter. Roh has directed two feature films, starting with Very Ordinary Couple (2013) and The Exclusive: Beat the Devil's Tattoo (2015). She has also worked on the television drama SF8 and Netflix Original Series Glitch (2022).

Roh Deok majored in film directing at Seoul Institute of the Arts. She has directed several short films. Roh debuted as an assistant screenwriter for the 2003 film Save the Green Planet! directed by Jang Joon-hwan. Jang Joon-hwan and Roh are 10 years apart in age. At the time, Roh wondered if she would be able to release her own film within 10 years, and she did so with Very Ordinary Couple.

In 2005, Roh Deok directed the short film The Secret Within Her Mask. The story centers on Jung, a ballet dancer who wears a mask to conceal her bearded face and appear more masculine. Despite warnings from her boyfriend and others against a risky hair removal surgery, Jung undergoes the procedure. As she lies on the operating table, she has a realization about her true self, recognizing her beard as a unique and cool feature. The film was screened at the 2006 Asiana International Short Film Festival and the 2006 Women's Film Festival in Seoul.

Very Ordinary Couple, released in 2013, has been described by The Korea Herald and as containing "uncanny honesty and humor". It also won the Asian New Talent Award for Best Feature at the Shanghai International Film Festival in 2013.

In 2015, Roh directed The Exclusive: Beat the Devil's Tattoo (2015), which follows a man who becomes embroiled in an uncontrollable incident due to a moment of wrong judgment. Her films have different styles compared to her debut directorial film, but they showcase the talent of director Roh Deok as a 'storyteller' and allow you to explore a wide spectrum. Her 2015 film The Exclusive: Beat the Devil's Tattoo has been described as "thoroughly entertaining" by The Korea Herald.

In 2016, the theater production company Aligator Company sought a fresh perspective and approached Roh to direct the play "Closer." This marked her directorial debut in theater.

On December 30, 2020, Netflix confirmed Gin Han-sai in science fiction television series Glitch through a press release, to be produced by Studio 329. Jeon Yeo-been was offered the lead role in early March, 2021. In mid-March, director Roh Deok and Jeon Yeo-been confirmed they had joined the series. On March 19, 2021, Nana was confirmed to play the role of a twitch streamer on the show. it tells the story of a young woman who tries to track down her missing boyfriend with the help of a UFO-watching club. It was released on Netflix on October 7, 2022.

Roh cowrote script for film Hidden Face with Hong Eun-mi [ko]. The film is a remake of the Colombian co-production, The Hidden Face, directed by Andrés Baiz. Directed by Kim Dae-woo, who is known for his work on erotic films such as The Obscene Scholar, The Servant, and Obsessed, the film stars Song Seung-heon, Jo Yeo-jeong, and Park Ji-hyun.