Patrick Michael Walsh is a former United States Navy four-star admiral who last served as the 59th Commander of the U.S. Pacific Fleet from September 25, 2009 to January 20, 2012. He served as the 35th Vice Chief of Naval Operations from April 5, 2007 to August 13, 2009, and as Commander of the U.S. Naval Forces Central Command and Commander, U.S. 5th Fleet from October 2005 to February 27, 2007. He retired from the Navy with over 34 years of service.

The vice chief of naval operations (VCNO) is the second highest-ranking commissioned United States Navy officer in the Department of the Navy and functions as the principal deputy of the chief of naval operations and by statute, the vice chief is appointed as a four-star admiral.