This article identifies and describes data on the dynamics of collective and collaborative participation in the production of information about Brazilian museums on Wikipedia. Using as sample the museums administered directly by the Brazilian Institute of Museums (Ibram), the data gathering was carried out articles using the XTools software. In this way, the present article seeks to demonstrate the potential of Wikipedia as a source of research, especially in what concerns the production of information about Brazilian museums on the Internet. The results identify that 20 museums have a page on Wikipedia, having been edited by a total of 555 users who have made a total of 1.108 editions on the pages. It identifies great inequality in the dynamics of information production in the pages and an expressive network of publishers performing curatorial actions.