Henry Carscallen (14 August 1845 – 16 September 1906) was an Ontario barrister and political figure. He represented Hamilton East in the Legislative Assembly of Ontario as a Conservative member from 1898 to 1906.He was born in Saltfleet Township, Wentworth County, Canada West, the son of John Thomas Carscallen. Carscallen served on Hamilton city council for 12 years. He was named Queen's Counsel in 1890. He died in office in 1906.