Luis Alberto Marco Contreras (born 20 August 1986[1]) is a Spanish middle-distance runner.

[1] He finished eleventh in the 1500 metres at the 2003 World Youth Championships.

[2] Marco was a finalist at the 2010 European Championships in Athletics in Barcelona.

His personal best time is 1:45.14 minutes, achieved in June 2012 in Huelva.

This biographical article relating to Spanish athletics is a stub.