Macarthur Coal was a mining company based in Queensland, Australia, which was incorporated in October 1995.

The company was founded by Ken Talbot, who was a former chief executive officer.

The company maintained a 73.3% ownership in all its major mine projects.

A force majeure declaration was in place for the five months preceding 28 April 2011, due to the 2010–2011 Queensland floods.

[4] In May 2011, the company announced that it had increased coal reserves estimates by 38% to 2.26 billion tonnes.