Ludicra was a heavy metal band from San Francisco. They originally formed in 1998 as a quartet and later expanded to five members. On July 26, 2011, the band announced on their official website that they had disbanded.
Ludicra's sound has been described as black metal and avant-garde metal. Influences include bands such as Darkthrone, Gorgoroth, Dødheimsgard, and Bethlehem, and genres like thrash metal, doom metal, punk, and folk.
The group included current and former members of other San Francisco-based bands, including Impaled, Hammers of Misfortune, Tallow, Missile Command, Ominum, and punk band Hickey. They shared the stage with the death metal band Impaled, the post-hardcore/noise rock outfit Total Shutdown, the instrumental math metal band the Fucking Champs, and the black metal band Krallice.