Military Family Leave Act of 2013 - Entitles an employed family member of a member of the Armed Forces who receives notification of a call or order to active duty in support of a contingency operation, or who is deployed in connection with a contingency operation, to two workweeks of leave per year for each family member who is so called or deployed. Allows such leave to: (1) be taken intermittently or on a reduced leave schedule; and (2) consist of paid or unpaid leave, as the employer considers appropriate.

Allows an employer to require certification of entitlement to such leave within a leave request.

Provides employment and benefits protection for employees upon their return from such leave. Prohibits an employer from interfering with or otherwise denying the exercise of such leave rights.