Plamen Jelyazkov (original name: Пламен Желязков, born 14 May 1972 in Asenovgrad) is a Bulgarian male weightlifter, competing in the 77 kg category and representing Bulgaria at international competitions. He participated at the 1996 Summer Olympics in the 70 kg event. He competed at world championships, most recently at the 2003 World Weightlifting Championships. Zhelyazkov became IWF World Weightlifter of the Year in 1998. He set five world records in the lightweight and middleweight classes from 1998-2002 – three in the snatch and two in the total.