A glass antenna provided at a vehicle window glass, comprising: the vehicle window glass; an FM-digital radio antenna element (20; 50) provided at the vehicle window glass, the FM-digital radio antenna element (20; 50) configured to function as an FM antenna element configured to receive a high-frequency signal in an FM broadcast band whose center-frequency wavelength is a first wavelength, and a digital radio antenna element configured to receive a high-frequency signal in a digital radio broadcast band from 170 MHz to 240 MHz whose center-frequency wavelength is a second wavelength; a first conductor wire (30; 60) at least partly disposed at the vehicle window glass, and formed to have a length such that the sum of a length obtained by dividing the length of the portion (31, 32, 33) of the first conductor wire (30; 60) disposed at the vehicle window glass by a glass wavelength reduction rate of the vehicle window glass and the length of the remaining portion (11; 14) of the first conductor wire (30; 60) which is not disposed at the vehicle window glass becomes a length falling within a range of +/-20% with respect to the length equal to one-half of the second wavelength; a second conductor wire (40; 70) provided at the vehicle window glass and connected to a first end of the first conductor wire (30; 60), the second conductor wire (40; 70) being formed to have a length such that a length obtained by dividing the length of the second conductor wire (40; 70) by the glass wavelength reduction rate becomes a length falling within a range of +/-20% with respect to the length equal to one-quarter of the second wavelength, and disposed adjacent to the FM-digital radio antenna element (20; 50) such that it is capacitively coupled with the FM-digital radio antenna element (20; 50); and a feeding terminal (45; 75) connected to the second end of the first conductor wire (30; 60), said glass antenna being characterized in that the first conductor wire (30; 60) extends outward in a vehicle window glass width direction from the first end of the first conductor wire (30; 60) beyond the second conductor wire (40; 70) and the FM-digital radio antenna element (20; 50) such as to connect to the feeding terminal (45; 75), and the feeding terminal (45; 75) is disposed on an outer portion of the vehicle window glass in the vehicle window glass width configured to be covered by a rear pillar cover of the vehicle. the vehicle window glass; an FM-digital radio antenna element (20; 50) provided at the vehicle window glass, the FM-digital radio antenna element (20; 50) configured to function as an FM antenna element configured to receive a high-frequency signal in an FM broadcast band whose center-frequency wavelength is a first wavelength, and a digital radio antenna element configured to receive a high-frequency signal in a digital radio broadcast band from 170 MHz to 240 MHz whose center-frequency wavelength is a second wavelength; a first conductor wire (30; 60) at least partly disposed at the vehicle window glass, and formed to have a length such that the sum of a length obtained by dividing the length of the portion (31, 32, 33) of the first conductor wire (30; 60) disposed at the vehicle window glass by a glass wavelength reduction rate of the vehicle window glass and the length of the remaining portion (11; 14) of the first conductor wire (30; 60) which is not disposed at the vehicle window glass becomes a length falling within a range of +/-20% with respect to the length equal to one-half of the second wavelength; a second conductor wire (40; 70) provided at the vehicle window glass and connected to a first end of the first conductor wire (30; 60), the second conductor wire (40; 70) being formed to have a length such that a length obtained by dividing the length of the second conductor wire (40; 70) by the glass wavelength reduction rate becomes a length falling within a range of +/-20% with respect to the length equal to one-quarter of the second wavelength, and disposed adjacent to the FM-digital radio antenna element (20; 50) such that it is capacitively coupled with the FM-digital radio antenna element (20; 50); and a feeding terminal (45; 75) connected to the second end of the first conductor wire (30; 60), said glass antenna being characterized in that the first conductor wire (30; 60) extends outward in a vehicle window glass width direction from the first end of the first conductor wire (30; 60) beyond the second conductor wire (40; 70) and the FM-digital radio antenna element (20; 50) such as to connect to the feeding terminal (45; 75), and the feeding terminal (45; 75) is disposed on an outer portion of the vehicle window glass in the vehicle window glass width configured to be covered by a rear pillar cover of the vehicle.