Juan Cailles y Kauppama was a Filipino general and politician. A member of the revolutionary movement Katipunan, he was a commanding officer of the Philippine Revolutionary Army who served during the Philippine Revolution and Philippine–American War. He later served as a provincial governor of Laguna and a representative from Mountain Province.

Laguna, officially the Province of Laguna, is a province in the Philippines located in the Calabarzon region in Luzon. Its capital is Santa Cruz while its largest city is the City of Calamba and the province is situated southeast of Metro Manila, south of the province of Rizal, west of Quezon, north of Batangas and east of Cavite. Laguna hugs the southern shores of Laguna de Bay, the largest lake in the country. As of the 2020 census, the province's total population is 3,382,193. It is the seventh richest province in the country in 2016.