CPO continuing professional development Merriam-Webster Online DictionaryCPO (abbreviation)chief petty officerCPO (Wikipedia)Look up CPO in Wiktionary, the free dictionary.CPO may refer to: « Back to Glossary Index ATP: Asia Tree Preservation2016-12-16T18:22:32+08:00 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail