The Federal Correctional Institution, Lompoc II is a low (formerly also a high, and then medium) security United States federal prison for male inmates in Lompoc, California.

It is part of the Lompoc Federal Correctional Complex (FCC Lompoc) and is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.

The facility also has a satellite prison camp for minimum-security male inmates.

[1] The complex also includes a second Federal Correctional Institution (in addition to the satellite prison camp).

The FCI (Low) has a Residential Drug Abuse Program (RDAP) There are two minimum security prison camps that also house adult male inmates.