Klen

Klen (biljka), vrsta javora.
 Klen (riba), vrsta riječne ribe.
 KLĒN, vrsta šampona, http://www.klenskin.com/ 
 Klen, hemijska industrija https://web.archive.org/web/20120404004735/http://www.klen.com.au/html/pro00.php