Bigwig is a programming language, specifically a high level domain-specific language, designed to build web applications. It is implemented as an Apache HTTP Server module. As of 2011, versions are available for the operating systems Linux and Solaris, but not Windows.

Bigwig is developed at the Basic Research in Computer Science (BRICS) research center at the Department of Computer Science, Aarhus University, Denmark and borrows ideas from Mawl. It is open-source software with a GNU General Public License.