CTB

CTB may refer to:

== Companies and organizations == CTB/McGraw-Hill, a division of the McGraw-Hill Companies California Testing Bureau, a division of the McGraw-Hill Companies Canadian Tire Bank, the retail deposit-taking and credit card-issuing arm of Canadian Tire Corporation, Limited Ceylon Transport Board, the nationalised passenger transport venture in Sri Lanka Christchurch Transport Board, a defunct municipal public transport operator in Christchurch, New Zealand Citybus (Hong Kong), a public bus operator in Hong Kong Cooper Tire & Rubber Company's NYSE ticker symbol CTB International