Wincenty Lutosławski (1863–1954) was a Polish philosopher, author, and member of the Polish National League. He is well known for coining the term "stylometry". A multilingual philosopher who used literary analysis to establish the chronology of Plato's writings. Married to the Spanish poet Sofía Casanova[], then divorced. Half-brother of Józef Lutosławski, father of the composer Witold Lutosławski.