Mladen Kovačevič (born (1980-05-03)3 May 1980) is a Slovenian football player, in Nova Gorica better known as Jaje. He is a striker and currently plays for NK Adria Miren. He formerly played the 10 seasons with ND Gorica. He scored 25 goals in 108 appearances in the Slovenian first division before the 2006/2007 season. His best attribute is technique and obviously dribbling. In 2004 media indicated a lot of interest for him from major European football teams. Then he was injured for 6 months. In this season he is becoming the "old self" and with this an indispensable part of the Gorica squad.