Kylen

Kylen or Kylian is a variant of the name Kyle, and "means narrow or straight"

Notable people with the name include:

Kylen Granson, American football player
Kylen Mills, sports reporter for KRON 4
Kylen Schulte, American female murder victim
Kylian Hazard, Belgian professional football player
Kylian Mbappé, French professional football player