2600 Class or Class 2600 may refer to:
Bangladesh Railway Class 2600, diesel locomotives CIÉ 2600 Class, Irish diesel railcars in service 1952-1987 CP Class 2600, Portuguese electric locomotives GWR 2600 Class, British steam locomotives in service 1900-1949 IE 2600 Class, Irish diesel railcars in service since 1993 Illinois Central 2600 Class, steam locomotives NS Class 2600, Dutch electric multiple units Queensland Railways 2600 class, Australian manufactured diesel-electric locomotives based on General Electric running gear in service since 1983-1984 and retired or exported by 2011-2012