Henry Alden Clark (January 7, 1850 – February 15, 1944) was a Republican member of the U.S. House of Representatives from Pennsylvania.

After admission to the bar in 1878, Clark was associated with the Edison electric light interests in New York.

He was admitted to the Pennsylvania bar, and served as a member of the Common Council of Erie in 1888.

He resumed the practice of his profession, and served as judge of the Orphans’ Court for Erie County from 1921 to 1931.

He married the daughter of former General and Senator David B. McCreary, his first law partner in Erie, Pa.[3]