| New Year’s Day | Thursday, 1 January 2015 | Public | WA Wide |
| Australia Day | Monday, 26 January 2015 | Public | WA Wide |
| Labour Day | Monday, 2 March 2015 | Public | WA Wide |
| Good Friday | Friday, 3 April 2015 | Public | WA Wide |
| Easter Monday | Monday, 6 April 2015 | Public | WA Wide |
| ANZAC Day | Saturday, 25 April 2015 | Public | WA Wide |
| ANZAC Day Additional Holiday* | Monday, 27 April 2015 | Public | WA Wide |
| Western Australia Day | Monday, 1 June 2015 | Public | WA Wide |
| Queen’s Birthday** | Monday, 28 September 2015 | Public | WA Most Areas |
| Christmas Day | Friday, 25 December 2015 | Public | WA Wide |
| Boxing Day | Saturday, 26 December 2015 | Public | WA Wide |
| Boxing Day Additional Holiday* | Monday, 28 December 2015 | Public | WA Wide |
