Ivaylo Mladenov

Ivaylo Petkov Mladenov (; born 6 October 1973) is a retired Bulgarian long jumper, best known for his gold medal at the 1994 European Championships.

He was born in Vratsa and represented the club CSKA Sofia. He finished sixth at the 1991 European Junior Championships and wn the bronze medal at the 1992 World Junior Championships. He finished sixth at the 1993 World Indoor Championships, fifth at the 1993 World Championships, and second at the 1993 Grand Prix Final. In 1994 he finished fourth at the European Indoor Championships and won the European Championships.

He then finished eighth at both the 1995 World Championships and the 1995 Grand Prix Final. He did not reach the final at the 1995 World Indoor Championships He competed at the 1999 World Championships without reaching the final. His personal best jump was 8.33 metres, achieved in June 1995 in Seville. This is the Bulgarian record.