Jaïro Jocquim Riedewald (born 9 September 1996) is a Dutch footballer who plays as a defender or midfielder for Premier League club Crystal Palace.
On 15 March 2013, Riedewald signed his first professional contract with Ajax, a product of the Ajax Youth Academy having joined the club from SV Overbos at the age of 11. His first contract with the club was a three-year contract binding him to the club until 2016. On 21 December 2013 he made his professional debut in the Eerste Divisie, the second tier of professional football in the Netherlands, playing for the reserves team Jong Ajax, in a match against VVV-Venlo which ended in a 5–1 away loss.
On 14 December 2013, Ajax head coach Frank de Boer announced the inclusion of Riedewald in the first team squad for the away match against SC Cambuur on 15 December 2013. Not having made an appearance in that fixture it was the first time he was called for the first team. He made his debut for the first team on 19 December 2013 in the KNVB Cup match against IJsselmeervogels. The match ended in a 3–0 away win, with Riedewald coming on for Daley Blind in the 73rd minute of the match. Three days later he made his Eredivisie debut against Roda JC Kerkrade. After Bojan Krkić, Riedewald was substituted on as well in the 80th minute, where he replaced Christian Poulsen, quickly scoring two goals, after trailing 1–0, helping Ajax to a 2–1 away victory, hereby becoming the youngest scoring debutant in the club and league history with 17 years, 104 days. The youngest scoring player before him in the Dutch Eredivise was Jeroen Lumu with 17 years, 111 days, while Marco van Basten was the youngest scoring debutant at the club with 17 year, 154 days of age.