Class 24 may refer to:
24-class sloop, Royal Navy minesweeper British Rail Class 24, British diesel-electric locomotive DB Class VT 24 DRG Class 24, German 2-6-0 steam locomotive GER Class R24, British 0-6-0 steam locomotive Hormuz 24-class landing ship J/24, sailing boat L&YR Class 24, British 0-6-0T steam locomotive NER Class P, later LNER Class J24, British 0-6-0 steam locomotive New South Wales Z24 class locomotive, Australian 2-6-0 steam locomotive South African Class 24 2-8-4, South African steam locomotive
See also Type 24 (disambiguation)