The fifth season of the American television series Arrow premiered on The CW on October 5, 2016, and concluded on May 24, 2017, with a total of 23 episodes. The series is based on the DC Comics character Green Arrow, a costumed crime-fighter created by Mort Weisinger and George Papp, and is set in the Arrowverse, sharing continuity with other Arrowverse television series. The showrunners for this season were Marc Guggenheim and Wendy Mericle. Stephen Amell stars as Oliver Queen, with principal cast members David Ramsey as John Diggle, Willa Holland as Thea Queen, Emily Bett Rickards as Felicity Smoak, and Paul Blackthorne as Quentin Lance also returning from previous seasons. They are joined by Echo Kellum as Curtis Holt, who was promoted to a series regular from his recurring status in the previous season, and new cast member Josh Segarra.

Arrow is an American superhero television series developed by Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg based on the DC Comics character Green Arrow, a costumed crime-fighter created by Mort Weisinger and George Papp, and is the first series of the Arrowverse, sharing continuity with other related television series. The series premiered in the United States on The CW on October 10, 2012, and ran for eight seasons until January 28, 2020. Arrow was primarily filmed in Vancouver, British Columbia, Canada.