Milen Velev (Bulgarian: Милен Велев) (born 4 September 1971) is a former professional tennis player from Bulgaria.

Only Todor Enev has won more Davis Cup matches for the national team.

He had his best win in 1993, when he defeated top 30 player Marcos Ondruska, a South African.

[3] The Bulgarian played in the main draw of one Grand Slam event during his career, the 1994 Australian Open.

[3] He met veteran Mats Wilander in his opening round match, which he lost in four sets.