IPAC

IPAC may refer to:

• OPAC, Online Public Access Catalog, this in an older term which is now quite often replaced with the term iPAC
• Infrared Processing and Analysis Center, the NASA science center which is responsible for the data processing, analysis, and archiving for NASA's infrared astronomy and astrophysics missions
• International Plus, Advanced & Challenge Square Dance Convention, an international square dance event that has taken place every two years in Barmstedt, Germany since 1993
• Iraq Peace Action Coalition, an antiwar organization based in Minneapolis, Minnesota
• IpAc, a shorthand for the chemical isopropyl acetate

See also

• iPAQ - A personal digital assistant from Compaq (now Hewlett Packard)
• AIPAC - American Israel Public Affairs Committee
• OPAC - Online Public Access Catalog