Marshall Lorenzo Shepard, Sr. (July 10, 1899 – February 21, 1967) was an American Christian clergyman and politician. Affiliated with the Democratic Party, his political career was focused in the city of Philadelphia.
Born to an African American family in North Carolina, he came to Philadelphia to serve as pastor of Mount Olivet Tabernacle Baptist Church, a black Baptist congregation. He worked as a pastor there for forty years. He gained a national reputation as a preacher, rising to prominence within the denomination. Shepard also became involved in Democratic politics in Philadelphia. He was elected to three terms in the Pennsylvania General Assembly and three terms on the Philadelphia City Council, where he served until his death in 1967.