XIII may refer to: * 13 (number) or XIII in Roman numerals *

13th century The 13th century was the century which lasted from January 1, 1201 ( MCCI) through December 31, 1300 ( MCCC) in accordance with the Julian calendar. The Mongol Empire was founded by Genghis Khan, which stretched from Eastern Asia to Eastern E ...

in Roman numerals * ''XIII'' (comics), a Belgian comic book series by Jean Van Hamme and William Vance ** ''XIII'' (2003 video game), a 2003 video game based on the comic book series ** ''XIII'' (2020 video game), a remake of the 2003 video game ** '' XIII: The Conspiracy'', a TV miniseries based on the comic book series and game of the same title ** '' XIII: The Series'', a 2011 TV series based on the comic book series and miniseries * ''XIII'' (Rage album), 1998 * ''XIII'' (Mushroomhead album), 2003 * ''XIII'' (TNT album), 2018 *

Factor XIII Factor XIII or fibrin stabilizing factor is a zymogen found in blood of humans and some other animals. It is activated by thrombin to factor XIIIa. Factor XIIIa is an enzyme of the blood coagulation system that crosslinks fibrin. Deficiency of XI ...

, a clotting factor inside the coagulation cascade *

Rugby league Rugby league football, commonly known as just rugby league and sometimes football, footy, rugby or league, is a full-contact sport played by two teams of thirteen players on a rectangular field measuring 68 metres (75 yards) wide and 11 ...

, still often known as just ''XIII'' in France due to the name Rugby once being forbidden for the league code

See also