Neo-feudalism or new feudalism is a theorized contemporary rebirth of policies of governance, economy, and public life, reminiscent of those which were present in many feudal societies. Such aspects include, but are not limited to: Unequal rights and legal protections for common people and for nobility, dominance of societies by a small and powerful elite, a lack of social mobility, and relations of lordship and serfdom between the elite and the people, where the former are rich and the latter poor.

Generally, the term neo-feudalism refers to 21st century forms of feudalism which in some respects resemble the societal models of Medieval western Europe. In its early use, the term was deployed as both a criticism of the political Left and of the Right.^{[citation needed]}

On the other hand, Jürgen Habermas used the term Refeudalisierung ("refeudalisation") in his 1962 The Structural Transformation of the Public Sphere to criticise the privatisation of the forms of communication that he believed had produced an Enlightenment-era public sphere. Habermas did not use the term neo-feudalism, but later commentators have noted that his ideas were similar. Correspondingly, in 1992 Immanuel Wallerstein expressed views on global development, listing neo-feudalism among three other variants. By neo-feudalism, Wallerstein referred to autarky regions with a localised hierarchy and hi-tech goods available only for the elite.

The concept of neo-feudalism may focus on economics, though it is not limited to it. Among the issues claimed to be associated with the idea of neo-feudalism in contemporary society, are: class stratification, globalization, neoconservative foreign policy, multinational corporations, and "neo-corporatism".

According to Les Johnston, Clifford Shearing's theoretical approach of neo-feudalism has been influential. Shearing "use[s] this term in a limited sense to draw attention to the emergence of domains of mass private property that are 'gated' in a variety of ways".

Lucia Zedner responds that this use of neo-feudalism is too limited in scope; Shearing's comparison does not draw parallels with earlier governance explicitly enough. Zedner prefers more definitive endorsements.

Neo-feudalism entails an order defined by commercial interests and administered in large areas, according to Bruce Baker, who argues that this does not fully describe the extent of cooperation between state and non-state policing. The significance of the comparison to feudalism, for Randy Lippert and Daniel O'Connor, is that corporations have power similar to states' governance powers. Similarly, Sighard Neckel has argued that the rise of financial-market-based capitalism in the later twentieth century has represented a 'refeudalisation' of the economy.

The widening of the wealth gap, as poor and marginalized people are excluded from the state's provision of security, can result in neo-feudalism, argues Marina Caparini, who says this has already happened in South Africa. Neo-feudalism is made possible by the commodification of policing, and signifies the end of shared citizenship, says Ian Loader. A primary characteristic of neo-feudalism is that individuals' public lives are increasingly governed by business corporations, as Martha K. Huggins finds.