The author analyses the political thought of Polish monarchists in the Third Republic concerning the reconstruction of the Kingdom of Poland. The article focuses on such issues as the advantages of monarchy, the features of the monarchist system, the ways of achieving the goal, the king’s competences in the new system, and the possibility of rebuilding the monarchy. According to the author, for 30 years, Polish monarchists have been working comprehensively to win supporters for the idea of rebuilding the monarchy and are preparing for the moment when the political transformation will be possible.