Harold Himmel Velde (April 1, 1910 – September 1, 1985) was a Republican American political figure from Illinois.

While United States Congressman for Illinois's 18th congressional district he was chairman of the House Un-American Activities Committee between 1953 and 1955.

[1] Velde served as a private in the United States Army Signal Corps in 1942 until becoming a special agent for the FBI's sabotage and counterespionage division in 1943, staying there until 1946.

[1] In 1948, Velde won election to the United States House of Representatives, taking his seat on January 3, 1949.

[1] After Congress, Velde returned to practicing law: He was a lawyer in Urbana, Illinois and Washington, D.C. until May 5, 1969.