Nana-Kofi Siriboe (born March 2, 1994)^[1] is an American actor and model. He is best known for his role as Ralph Angel Bordelon on the television series Queen Sugar (2016–2022). He has also appeared in films such as The Longshots (2008) and Girls Trip (2017).

Born Nana-Kofi Siriboe in Los Angeles, California to Koshie Mills and Kwame Siriboe.^[2] He is the middle child and has two brothers, actors Kwame Boateng and Kwesi Boakye. As a model, Siriboe signed with Wilhelmina Models and Vision Los Angeles.^[3] He made his professional acting debut in the film The Longshots (2008). He later appeared in the films Prom (2011), Whiplash (2014) and Straight Outta Compton (2015). On television, he had a recurring role on the comedy-drama series Awkward from 2014 to 2015.

Since 2016, Siriboe has starred on the drama series Queen Sugar, for which he gained attention and three consecutive NAACP Image Award nominations.^[4][5][6] He was subsequently cast in the hit film Girls Trip (2017).^[7]