To provide an information recording medium for individual authentication, and an authentication method enabling the utilization of an existing authentication system, and easily enabling the utilization of a password which a third party cannot easily know by analogy, without depending on the management and memory of an individual.

This information recording medium 10 includes a name of a bank 1, a name of the individual 12, and an account number 13 printed on a front surface, and a random number table 13 printed on the front surface. The individual to be authenticated uses the random number table 14 to derive the password of one's own.