Henry Menasco Wade (November 11, 1914 – March 1, 2001) was a Texas lawyer who served as District Attorney of Dallas from 1951 to 1987. As such, he participated in two of the most notable U.S. court cases of the 20th century: the prosecution of Jack Ruby for killing Lee Harvey Oswald, and the U.S. Supreme Court's decision legalizing abortion, Roe v. Wade.