Morgan Moore Moulder (August 31, 1904 – November 12, 1976) was a U.S. Representative from Missouri.

Moulder was admitted to the bar in 1928 and commenced the practice of law in Linn Creek, Missouri.

Moulder was elected prosecuting attorney of Camden County, Missouri, in 1928.

From 1943 to 1946, he served as special assistant to the United States attorney for the western district of Missouri.

[1] Moulder did not sign the 1956 Southern Manifesto, and voted in favor of the Civil Rights Acts of 1957 and 1960,[2][3] as well as the 24th Amendment to the U.S.