James David Zirin (born January 10, 1940) is an American lawyer, author, and television talk-show host.

[5][8] In 2003, Mayor Michael R. Bloomberg appointed Zirin to the New York City Commission to Combat Police Corruption.

[11][12] Zirin is the author of three books, and has written op-ed pieces for publications on legal, political, and foreign policy subjects.

"[35] David J. Dickson in The Journal: of the Law Society of Scotland called it a "...readable and revealing book..."[32] Supremely Partisan: How Raw Politics Tips the Scales in the United States Supreme Court is a non-fiction book by Zirin published by Rowman & Littlefield on September 15, 2016.

"[37] Liane Jackson from the ABA Journal wrote, "Zirin’s book is particularly timely and thought-provoking, whether or not you agree with his premise.

"[39] Published in September 2019, Zirin's third book[40] Plaintiff in Chief: A Portrait of Donald Trump in 3,500 Lawsuits focuses on lawsuits involving Donald Trump and his real estate development projects, allegations of sexual misconduct, and the Mueller Special Counsel investigation, among others.

[43] Zirin also describes Roy Cohn's influence on Trump, including the former U.S. president's understanding and application of the law.