A. John Pelander (born 1951) is a justice of the Arizona Supreme Court.
Pelander has a bachelor's degree from Wittenberg University and a J.D. from the University of Arizona College of Law. He was from 1976 to 1977 clerk for Richard H. Chambers of the 9th U.S. Circuit Court of Appeals. In 1998 he earned an LL.M. from the University of Virginia School of Law in judicial processes. From 1977 until 1995 he was involved in private practice, eventually becoming a partner in a law firm. He practiced law in Tucson and was involved in civil litigation. In May 1995 he was appointed to the Arizona Court of Appeals, Division 2 by Fife Symington. In 2004 he became the chief judge of this court. In September 2009 Pelander was appointed to the Arizona Supreme Court.