75th (Provisional) Infantry Regiment was a reserve unit of Philippine Commonwealth Army activated under Negros Force in January 1942.

[citation needed] 7th Military District under Lieutenant Colonel Gabriel Gador organized to regiments from reserve soldiers and ROTC cadets to bolster the island defense.

[citation needed] The regiment moved to Guinhulgan, Negros Oriental in March 1942 to intensify its training and new set of officers arrived to fill the vacant staffs positions.

A lot of commanders in Negros contest the order including those of 75th Infantry, having been isolated to the hostilities and soldiers not been in combat.

[citation needed] On May 12, 1942, 3,000 enlisted men and 700 officers surrendered in Negros but those who refused join Major Salvador Abcede's guerilla unit.