Les is a variant (Russian) of the name Alexander (Dutch, English, German, Hungarian, and Slavic).
Les is also a contraction (English) of the name Leslie (English and German).
Les is also a contraction of the name Lester (English).
Les is rare as a baby name for boys. At the modest peak of its usage in 1961, 0.009% of baby boys were given the name Les. It ranked at #585 then. The baby name has since experienced a fall in popularity, and is currently of irregular use. Out of the group of boy names directly linked to Les, Alexander was the most popular in 2015. Les has in the past century been mostly given to baby boys.
† Pronunciation for Les: L as in "lay (L.EY)" ; EH as in "ebb (EH.B)" ; S as in "see (S.IY)"
A famous person named Les is Les Paul, Guitarist, born Lester William Polsfuss, 9 June 1915, Waukesha, Wisconsin.