Len \len\ as a boy's name is a variant of Lenny (English) and Leonard (Old German), and the meaning of Len is "lion strength". See also Jaylen.

The baby name Len sounds like Lon, Lenn, Leon, Lyn and Lin. Other similar baby names are Lee, Ben, Den, Ken, Le-, Leo, Lea, Le, Lem, Lev, Les, Lew, Pen and Ren.