Oskar Söderlund (b. 1978) is a celebrated Swedish screenwriter and the creator and writer of The Fat and the Angry (2014), which was directed by internationally recognized director Johan Renck. The TV series premiered on SVT in 2014 and was awarded the Silver Bird Prize in the category 'TV Movie' at the 2014 Seoul International Drama Awards, was nominated for a Europa Prize and became the winner of the prestigious 'Best non-English Language Drama Series' award at the 2014 C21 International Drama Awards.

Söderlund is the creator and writer of the thriller drama series Greyzone (2018) which premiered in February 2018 and has received outstanding reviews.

Söderlund started his career by penning the screenplay for the feature film Offside (2006) and co-authoring the storyline for the TV series How Soon Is Now?! (2007), which was directed by Mikael Marcimain and later won the Prix Italia and the Golden Fipa. He later developed and wrote the Swedish adaptation of Marianne Fredriksson's modern classic Simon (2011). The film received a record-breaking 13 nominations at The Official Swedish Film Awards. Furthermore, Söderlund has been one of the writers of Saltön (2010), one of Sweden's most popular TV series.