Public art can give rise to a variety of problems concerning their conservation depending on whether the object is located outdoors or indoors. With outdoor public art, which is usually made of long-lasting materials such as stone or bronze, the challenges are often environmental. When it comes to public art placed indoors, the conservator also has to face the challenge of many more materials. Furthermore, all public art can lead to conservation problems of an ethical character, for instance those of identity and authenticity. Conservation can also have legal implications if it is contrary to the artist’s intention or the work of art has to be moved or changed. Starting with actual examples of conservation, this paper presents a discussion on the different measures taken, including the involvement of the artist in the decision-making process, offers advice on how to handle conflicts and for the long-term maintenance of public art.