Nathan Rafferty (born 17 January 2000) is a Northern Irish professional darts player who competes in Professional Darts Corporation (PDC) events. Nicknamed "The Natural", Rafferty has won 12 PDC Development Tour titles and was runner-up at the 2021 PDC World Youth Championship.
Rafferty made his TV debut at the 2018 UK Open where he beat Jason Mold in round 2, before defeating the defending champion Peter Wright in round 3. He eventually lost to Robert Owen.
In 2021, Rafferty picked up his first PDC Challenge Tour title at Event 10. At the 2021 Grand Slam of Darts, Rafferty was drawn into a group with Gerwyn Price, Martin Schindler and Krzysztof Ratajski. He qualified for the knockout stage with wins over Schindler and Ratajski, but was eliminated after a 10–2 loss against Jonny Clayton. Rafferty was the runner-up at the 2021 PDC World Youth Championship, losing 6–4 to Ted Evetts.
Rafferty qualified for his first PDC World Darts Championship after topping the 2022 PDC Development Tour Order of Merit. He won his first round game at the 2023 World Championship 3–2 against Jermaine Wattimena before losing in the next round to Michael Smith.
Rafferty has won 12 PDC Development Tour titles, with his most recent win coming at Event 14 of the 2024 PDC Development Tour series, where he defeated Marvin van Velzen 5–3 in the final.