Mordecai Spector (also Mordechaj Spektor or Mordechai Spektor; 10 May 1858 in Uman, Ukraine – 15 March 1925 in New York) was a Yiddish novelist and editor from the Haskalah period. He is the author of about 50 realist novels and short stories depicting the life of ordinary people, workers, artisans, and Jewish families in his time. He is best known for his 1884 novel Der Yidisher Muzhik (The Jewish Farmer). He spent most of his life in Ukraine, then part of the Russian Empire, and moved to the United States in 1921.