Civil society is a space between family, state and market, where citizens associate to promote common interests. Through the subject of this thesis, more attention will be given to associations as basic and most numerous representatives of civil society organisations. Associations are categorised by area of action and activities they carry out in several classes. Association categories that may have a direct or indirect impact on health are human rights, economy and health protection. Role and potential significance of civil society should be viewed from various healthcare stakeholders’ perspective. Of special importance for healthcare system is the ability of associations to help with empowerment of an individual, provide various services to members and the community, promote and advocate patients’ rights and negotiate with legislators. Health care professionals expert societies provide a positive environment for improving knowledge in medicine. Employers’ associations encourage their members to develop management processes in healthcare institutions and advocate their interests. There are many benefits of involving NGOs and other civil society organisations in decision-making processes in the field of health care. Civil society can strengthen the legitimacy of the authorities, give new ideas to legislators or provide constructive critique of political decisions. Multiple institutions and national documents in charge for tracking and supporting growth of non-profit sector developed over the years. It is necessary to describe the strengths and weaknesses of civil society in Croatia in assessing the benefits of cooperation and cost-effectiveness of investments in civil society. With all the advantages and significance, civil society can not be a substitute for an effective public health policy. The mere existence of civil society does not mean that it has a role and impact on health by itself. This assumption can only be achieved if there are clear mechanisms of cooperation between the public sector, those who make political decisions and strong civil society.