Morris Michael Edelstein (February 5, 1888-June 4, 1941) was a Polish-born Representative from the state of New York.
Edelstein was born in Meseritz, Poland, and at three years of age immigrated to the United States with his parents, who settled in New York City. He attended public schools and Cooper Union College in New York. He graduated from the Brooklyn Law School of St. Lawrence University, in 1909, and was admitted to the bar in 1910 and practiced law in New York.
Edelstein was elected as a Democrat to the Seventy-sixth Congress to fill the vacancy caused by the death of William I. Sirovich. He was reelected to the Seventy-seventh Congress and served from February 6, 1940, until his death on June 4, 1941, in the cloakroom of the House of Representatives, Washington, DC, after completing the delivery of a speech on the floor of the House
He is buried in Mount Zion Cemetery, Maspeth, Long Island, New York.
Preceded by: William I. Sirovich (D) United States House of Representatives, New York District 14 1939-1941 Succeeded by: Arthur G. Klein (D)