Brent Robert Appel (born July 13, 1950)[2] is an American attorney, politician and former judge who served as a justice of the Iowa Supreme Court from 2006 to 2022.

[5] After graduating from law school, Appel clerked on the United States Court of Appeals for the District of Columbia Circuit.

[3] From 1987 to 2006, Appel worked in private practice in Des Moines,[3] including at the law firms Dickinson, Mackaman, Tyler & Hagan P.C.

[8] In 2010, Chief Justice John Roberts appointed Appel to a six-year term as a member of the Federal Advisory Committee on the Rules of Evidence.

[3] On June 17, 2022, Appel wrote a 94 page dissent when the Iowa Supreme Court ruled 5-2 that abortion is not protected by the state constitution.