This is a list of names in which the gender is masculine; and the usage is English; and the pattern is *len.
Allen m EnglishVariant of
Alan, or from a surname that was derived from this same name. A famous bearer of this name was Allen Ginsberg (1926-1997), an American beat poet. Another is the American film director and actor Woody Allen (1935-), who took the stage name Allen from his real first name.
Cullen m EnglishFrom a surname, either
Cullen 1 or
Cullen 2. It jumped a little in popularity as a given name after Stephenie Meyer's novel
Twilight (2005), featuring a vampire named Edward Cullen, was adapted into a movie in 2008.
Galen m EnglishModern form of the Greek name
Γαληνός (Galenos), which meant
"calm" from Greek
γαλήνη (galene). It was borne by a 2nd-century BC Greco-Roman physician who contributed to anatomy and medicine. In modern times the name is occasionally given in his honour.
Kellen m English (Modern)Possibly from a German surname, itself derived from Middle Low German
kel "swampy area". This name began to be used in the United States in the early 1980s after the American football player Kellen Winslow (1957-) began his professional career.