Class 27

Class 27 may refer to:


 * Belgian Railways Class 27, electric locomotive
 * British Rail Class 27, diesel locomotive
 * EAR 27 class, steam locomotive
 * GER Class D27, steam locomotive
 * L&YR Class 27, steam locomotive
 * PKP class OKl27, steam locomotive
 * Rio Grande class K-27, steam locomotive
 * SNCB Class 27, electric locomotive
 * U-27-class submarine (disambiguation)