Marios Athanasiadis (born 31 October 1986)[1] is a Cypriot cross-country mountain biker.

[3] At the 2014 Commonwealth Games he finished in 16th place in the men's cross-country.

[4] He took up cycling at the age of 12, introduced to it by the man who would become his coach.

[5] His gold medal at the 2009 Games of the Small States of Europe was Cyprus's first in mountain biking.

[5] This biographical article relating to Cypriot cycling is a stub.