Jules Michael Aguirre, more commonly known as Michael Jules Aguirre, was the City Attorney for the City of San Diego, California, from 2004 to 2008.

The San Diego City Attorney is an elected official in San Diego, California. The City Attorney serves as the city government's lawyer and as a criminal prosecutor for misdemeanor violations and infractions. The city attorney is elected for four years, and may serve up to two terms. The current city attorney is Mara Elliott. Predecessors include Jan Goldsmith (2008-2016), Mike Aguirre (2004-2008), Casey Gwinn (1996-2004), and John W. Witt (1969-1996). Ms. Elliott is the first woman, and first Latina, to serve as City Attorney for San Diego, California.