2008 in heavy metal music

	… 1998; 1999; 2000; 2001; 2002; 2003; 2004; ; 2005; 2006; 2007; 2008; 2009; 2010; 2011; ; 2012; 2013; 2014; 2015; 2016; 2017; 2018 …;
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science; +...

This is a timeline documenting the events of heavy metal in the year 2008.