- Public Relations Society of America – Member Code of Ethics
- American Marketing Association – Code of Ethics
- American Advertising Federation – Advertising Ethics and Principles
- Society of Professional Journalists – Code of Ethics
- Committee of Concerned Journalists – Online Journalism Ethics
- American Society of News Editors – Mission Statement
- Project for Excellence in Journalism – Ethics Codes
- Associated Press Managing Editors’ Ethics
- International Communication Association – Ethics Statement
- National Communication Association – Code of Professional Ethics
Classics and classical history: Codes of ethics
Chemistry: Codes of ethics
- American Institute of Chemical Engineers – Code of Ethics
- The Chemical Professional’s Code of Conduct – American Chemical Society
- Pharmaceutical Research and Manufacturers of America – Principles for Conduct in Clinical Trials (.pdf)
- American Pharmacists Association – Mission and Value Statements
- American Chemical Society – “Professional Ethics and Moral Responsibility in Chemistry”
Business: Codes of ethics
- Society for Business Ethics – General Goals
- International Business Ethics Institute
- Association of School Business Officials International – Professional Standards & Code of Ethics
- Contractor Code of Business and Ethics Conduct for U.S. Small Business Association(.pdf)
- Association for Business Communication – Professional Ethics, Code of Conduct
- Business Marketing Association – Code of Ethics
- National Association of Sales Professionals – Standards of Professional Conduct
- Direct Selling Association – Code of Ethics
- Department of Commerce Summary of Ethics Rules(.pdf)
Black Studies: Codes of ethics
Biology: Codes of ethics
- Ethics and policy for National Human Genome Research Institute
- Ethical, Legal and Social Implications Research Program
- International Union of Biochemistry and Molecular Biology – Code of Ethics(.pdf)
- The Society for In Vitro Biology – Code of Ethics
- Center for Alternatives to Animal Testing at Johns Hopkins – Mission Statement
- Association of Zoos and Aquariums – Code of Professional Ethics
- American Society for Microbiology – Code of Ethics
- Zoological Association of America – Mission Statement, Objectives and Ethics
Art: Codes of ethics
Architecture and engineering: Codes of ethics
- American Institute of Architects — Code of Ethics & Bylaws
- American Institute of Chemical Engineers Code of Ethics
- American Planning Association/American Institute of Certified Planners – Ethics for the Certified Planner | more specific
- American Society of Civil Engineers: Code of Ethics
- Association of Environmental & Engineering Geologists – Mission/Values/Vision
- Institute of Electrical and Electronics Engineers
- National Society of Professional Engineers – Code of Ethics
Anthropology and archaeology: Codes of ethics
- American Anthropological Association – Code of Ethics
- Archeological Institute of America – Code of Ethics
- Society for American Archaeology – Principles of Archaeological Ethics
- Register of Professional Archaeologists – Code of Conduct and Standards of Research Performance
- Cultural Studies Association – Constitution
Agriculture, food science and environment: Codes of ethics
- American Academy of Environmental Engineers – Service to the Public and to the Profession
- American Society of Agronomy – Statement of Ethics
- Farmers of North America – Ethics, Integrity & Values
- Food and Agriculture Organization of the United Nations
- Future Farmers of America – Code of Ethics
- International Association of Culinary Professionals – Code of Ethics
- National Grain and Feed Association – Code of Ethics
- Society for Conservation Biology – Code of Ethics
- Water Quality Association