Maria Laarni "Lani" Lopez Cayetano is a Filipina politician who is the current Mayor of Taguig from 2010 to 2019 and again since 2022. She previously served as the Representative of the 1st district of Taguig-Pateros from 2007 to 2010 and again, this time of the 2nd district, from 2019 to 2022.

Taguig, officially the City of Taguig, is a coastal metropolis located in eastern shores of Metro Manila. It is the fifth-most populous city in the Philippines with a population of 1.2 million people. The city is one of the Philippines' cultural, financial, high-tech, entertainment and media centers with significant influence on commerce, health care, research, technology, education, politics, tourism, dining, art, fashion, and sports. Taguig is also an important center for the country's international diplomacy, hosting several embassies. The city also home to the headquarters of several major multinational corporations. Taguig has the fourth largest skyline in the Philippines, with 289 high-rises, 80 of which exceed 100 m (328 ft).