The Montenegrin Federalist Party (Serbo-Croatian: Crnogorska federalistička stranka, Црногорска федералистичка странка, CFS), sometimes known simply as the Montenegrin Party, was a Montenegrin political party in the Kingdom of Yugoslavia which stood for preservation of Montenegrin autonomy and a decentralized federalised Yugoslavia. It pursued the ideology of the Greens who lost the Christmas Uprising, but in a peaceful and democratic manner. Its best known leader was Sekula Drljević.