Lacson is a Filipino surname with deep historical roots originating in the provinces of Iloilo and Negros Occidental, and with branches extending to Cavite and Pampanga.
They are a prominent family involved in business, politics, real estate, and agriculture.
The surname "Lacson" is a transliteration of Spanish orthography from the Chinese-Spanish name "la̍k-sun."
Derived from the Hokkien language, it combines 六 (la̍k, meaning "sixth," possibly indicating birth order) and 孫 (sūn, meaning "grandchild") which can also be spelled as Laxon and Laczon by the Spaniards.
Notable people with the surname include: