San Juan y Martínez (Spanish pronunciation: [saŋ ˈxwan i maɾˈtines]) is a municipality and town in the Pinar del Río Province of Cuba.

Its economy is centered mainly on agriculture and the crop of its farmers, the largest of which being tobacco.

In Cuba, San Juan y Martinez is known as the "Mecca of the Tobacco."

San Juan has its own hospital with a fully functional maternity ward as well as a "Polyclinic" treatment center, both open 24 hours.

Media related to San Juan y Martínez at Wikimedia Commons