an antenna apparatus , including : a substrate ; an antenna element which is arranged on the substrate and transmits or receives a radio signal ; a feed point which is connected to the antenna element and feeds a current or a voltage to the antenna element ; and a wiring pattern , one end of which is connected to a ground pattern formed on a portion of the substrate , wherein two or more sets of the antenna element , the feed point , and the wiring pattern is included if the antenna element , the feed point , and the wiring pattern form one set .