Alexis Agin Identity Theft Protection Act of 2013 - Amends title II (Old Age, Survivors and Disability Insurance) (OASDI) of the Social Security Act to revise the treatment of death information furnished to or maintained by the Social Security Administration (SSA).

Authorizes the Commissioner of Social Security to use or provide such information to federal and state agencies for statistical and research activities or to any federal agency for law enforcement or tax administration purposes.

Authorizes disclosure of such information by: (1) federal and state agencies to contractors to assist with similar activities, (2) the Commissioner to entities concerning certain individuals who died more than three years earlier as well as to entities certified by the Commissioner, and (3) the Commissioner to the Secretary of Defense (DOD) to assist in the identification of remains.