Macario "Boy" Asistio Jr. (April 6, 1936 – February 6, 2017) was a Filipino politician. He served as the Mayor of Caloocan, a city in Metro Manila region of Philippines, from 1980 to 1986. He was reelected for the port in 1988 till 1995. Asistio unsuccessfully ran as mayor in the elections again in 2013 and 2016.