Antonio María de la Guerra (October 1, 1825 – November 28, 1881) was a Californio politician and military officer, who served in the California State Senate[1] and twice as Mayor of Santa Barbara.

[2] He also commanded the 1st California Cavalry Battalion during the Civil War and later served several terms on the Santa Barbara County Board of Supervisors.

[4] On July 27, 1864, he became captain of Company C, 1st Battalion of Native Cavalry, California Volunteers recruited among the Californios of Santa Barbara for the United States Civil War.

There they were stationed in Tubac and later at Fort Mason a little to the south where they were involved in the pursuit of troops the Mexican Empire that had raided into Arizona and fought against the Apache.

[5] While in Arizona, Captain de la Guerra fell sick with a disease and was disabled, returning to Santa Barbara in February 1866.