The 12th Philippine Scout Battalion (12th PS) was formed, in 1901, from various provisional infantry companies, of Philippine Scouts, formed in 1899. The 12th PS was involved in combat at Samar, Mindanao, and Jolo.

In 1917, this battallion was reformed as the 1st Philippine Artillery Regiment.

See also:

11th Philippine Scout Battalion, Philippine Department

See also: