PIFA stands for Pacific Islander Festival Association, which is a non-profit corporation composed of members from all diversities, without limit to the indigenous Pacific Islander community. PIFA San Diego is the largest and longest running cultural festival that celebrates the food, craft, culture, and spirit of the indigenous people of Melanesia, Micronesia, and Polynesia. A PIFA can also refer to a planar inverted F-type antenna, which is a type of antenna used in wireless communication.