It is possible to provide a vibrator configured so as to prevent the leakage of an adhesive out from between a frame and a diaphragm member and a portable information terminal having the vibrator. The vibrator includes: frame 11; diaphragm member 12 vibratably bonded to frame 11; and adhesive 21 used to bond the frame to the diaphragm member. To store adhesive 21, the vibrator further includes gap 22 which is formed between surfaces of frame 11 and diaphragm member 12 facing each other at bonded part 20 where frame 11 is bonded to diaphragm member 12 with adhesive 21, and the gap being used.