President Reagan made three Supreme Court appointments during his terms in office: Sandra Day O'Connor in 1981, Antonin Scalia in 1986, and Anthony Kennedy in 1987.
Reagan appointed an overall of 3 Justices to the Supreme Court of the United States and appointed a sitting Associate Justice as Chief Justice, 83 judges to the United States Courts of Appeals, 290 judges to the United States District Courts and 6 judges to the United States Court of International Trade. Reagan's total of 383 Article III judicial appointments is the most by any President.