KLB (disambiguation)

KLB is a rock group/boy band from Brazil.

KLB may also refer to:
 * KLB (2000 album), their debut album
 * Kalabo Airport, Zambia
 * Kenya Literature Bureau, a Kenyan publisher
 * Kiliwa language
 * Kinlochbervie Camanachd Club, a Scottish shinty club
 * Kiraoli railway station, Agra district, Uttar Pradesh, India
 * KLB Club, a name adopted by Allied airmen at Buchenwald concentration camp
 * Klebsazolicin, a peptide antibiotic
 * β-klotho, encoded by the KLB gene