Rangsan Chayanram (Thai: รังสรรค์ จะยันรัมย์; born 8 July 1985), nicknamed Day (เดย์) and better known as Palangpol CP Freshmart (พลังพล ซีพีเฟรชมาร์ท), is a retired Thai professional boxer and a Muay Thai kickboxer. As a boxer, he challenged for the WBO junior-flyweight title in 2017.