2012 in heavy metal music

	… 2002; 2003; 2004; 2005; 2006; 2007; 2008; ; 2009; 2010; 2011; 2012; 2013; 2014; 2015; ; 2016; 2017; 2018; 2019; 2020; 2021; 2022 …;
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science; +...

This is a timeline documenting the events of heavy metal in the year 2012.