Harry Welles Rusk (October 17, 1852 – January 28, 1926) was a U.S. Representative from the third district of Maryland.

[1] Following his admission to the Maryland State Bar, Rusk began practicing law in Baltimore.

Following the death of William H. Cole, Rusk was elected as a Democrat to the U.S. House of Representatives for the 49th United States Congress.

[1] After declining to run for reelection in 1896, Rusk became chairman of the Democratic State central committee for Baltimore.

[3] Together, they were the parents of one son:[4] Rusk died in Baltimore on January 28, 1926 and was interred in Green Mount Cemetery.