Signum is Latin for "sign" and may refer to:

Brands and companies

* Integra Signum, a (defunct) Swiss railroad signaling company ** Integra-Signum, a train protection system * Opel Signum, an Opel car model * Signum Biosciences, a company based in New Jersey * Signum (typeface), a 1955 typeface designed by Georg Trump for the Weber Typefoundry

Media

* Signum (magazine), ''Signum'' (magazine), a German literary magazine * Signum (musical group), a trance music group * Signum (Nanoha), Signum (''Nanoha''), a character from the ''Magical Girl Lyrical Nanoha'' series * Signum Quartet, a string quartet based in Cologne, Germany * Signum Records, a classical music record label in the UK

Other uses

* Signum, an alternative name for some Roman army of the mid-Republic#Organization, Roman Republic army units * Signum (anatomy), a part of the female Lepidoptera genitalia * Signum function or sign function in mathematics * Signum manus, type of signature * Proof of space#Signum (formerly Burstcoin), Signum (blockchain) * Signum University, an online educational institution {{disambiguation