6L

6L or 6-L can refer to:


 * 6L, or British Rail Class 202
 * IATA code for Aklak Air
 * Typ 6L, a model of SEAT Ibiza
 * Typ 6L, a model of SEAT Córdoba
 * Model R-6L, a model of Curtiss Model R
 * TAF6L
 * 6L, a model of HP LaserJet 6
 * 6L, the production code for the 1984 Doctor Who serial Warriors of the Deep