Morris Rosenfeld (Yiddish: מאָריס ראָסענפֿעלד; born as Moshe Jacob Alter; December 28, 1862 in Stare Boksze in Russian Poland, government of Suwałki – June 22, 1923 in New York City) was a Yiddish poet.

His work sheds light on the living circumstances of emigrants from Eastern Europe in New York's tailoring workshops.

During the 1890s he wrote song parodies for the Yehuda Katzenelenbogen Music Publishing Company in New York, including Nokhn ball (After the Ball), Di pawnshop (Faryomert farklogt) and Nem tsurik dayn gold (Take Back Your Gold) - all published in Di idishe bihne and Lider magazin.

He was also the publisher and editor of a quarterly journal of literature (printed in Yiddish) entitled Jewish Annals.

by Berthold Feivel [de], Berlin, and by E. A. Fishin, Milwaukee, Wis., 1899; Rumanian transl.