Nedelcho Lazarov Kolev (Bulgarian: Неделчо Лазаров Колев, born 26 March 1953 in Kableshkovo) is a Bulgarian Olympic, European and World Weightlifting Champion. He had success at the 1980 Summer Olympics in Moscow and won 6 gold medals at the world championships in Manila and Havana, Cuba. He has worked as chief coach for the national teams of Bulgaria, Bahrain, India, Thailand and Indonesia. From 1965 to 1980 he competed only for CSKA Sofia club. His coaches were Angel Akrabov and Zdravko Koev. In the national team of Bulgaria was trained by Ivan Abadzhiev. Kolev has won a total of 29 medals from the Olympic Games, World and European Championships in total, snatch and clean and jerk - 11 gold, 11 silver and 7 bronze. He has set 16 world records - 11 for men and 5 for juniors. He was named Sportsperson of the Year of Bulgaria for 1973.
Kolev is the father of singer Ruth Koleva.
Kolev is former president of the Bulgarian weightlifting federation.