Stop AIDS in Prison Act of 2011

Stop AIDS in Prison Act of 2011 - Directs the Bureau of Prisons to develop a comprehensive policy to provide HIV testing, treatment, and prevention for inmates in federal prisons and upon reentry into the community. Requires such policy to include provisions for: (1) testing of inmates upon intake and counseling; (2) HIV/AIDS prevention education; (3) HIV testing of prisoners annually upon request or upon exposure to HIV; (4) HIV testing of pregnant inmates; (5) comprehensive medical treatment of inmates who test positive for HIV and confidential counseling on managing their medical condition and preventing its transmission to other persons; (6) protection of confidentiality; (7) testing, counseling, and referral prior to reentry into the community; (8) allowing inmates the right to refuse routine HIV testing; (9) excluding as "routine" the testing of an inmate who may have transmitted HIV to any U.S. officer or employee or to any person lawfully present but not incarcerated in a correctional facility; and (10) timely notification of test results.

Amends the federal criminal code to: (1) require HIV testing for all federal prison inmates upon intake regardless of length of sentence or risk factors, (2) allow inmates to decline testing prior to release from incarceration, and (3) make HIV testing part of the routine health screening conducted at intake.

Requires the Bureau to report on: (1) testing, treatment, and prevention education programs for hepatitis and other diseases transmitted through sexual activity and intravenous drug use; and (2) the incidence among prison inmates of diseases transmitted through sexual activity and intravenous drug use.