[Object] To provide a tag tape, tag tape roll, and RFID label capable of maintaining orderliness. [Solving Means] A tag tape comprises a substantially sheet-like antenna base 160 on which an RFID circuit element To provided with an IC circuit part 151 for storing information and an antenna 152 for transmitting and receiving information is disposed; a first tape 200B comprising a substantially tape-like base layer 200Bb for continuously disposing a plurality of the antenna bases 160 in the tape lengthwise direction at predetermined intervals; and a second tape 200A disposed on the opposite side from the first tape 200B so as to have the plurality of antenna bases 160 interposed therebetween in the tape width direction; wherein at least one of the first tape 200B and the second tape 200A comprises an elastic layer formed of an elastic material.