Stefan Naydenov (Bulgarian: ?????? ????????; 16 August 1957 – 3 November 2010) was a Bulgarian footballer who played as an attacking midfielder, most notably for Spartak Varna.
During his time with Spartak he was nicknamed Falcao by fans.
He is the club's record goalscorer in the top league with 56 goals.Naydenov played 6 times for the Bulgarian national team, scoring one goal.