- 4 February - World Cancer Day
- 8 March - International Women's Day
- 14 - 20 March - Sleep Awareness Week
- 19 March - World Sleep Day
- 20 March - International Day of Happiness
- 21 March - Harmony Day
- 28 April - World Day for Safety and Health at Work
- 17 May - International Day Against Homophobia, Biphobia, Intersexism and Transphobia
- 28 May - Australia's Biggest Morning Tea
- 14 - 20 June - International Men's Health Week
- 25 June - Take Your Dog to Work Day
- 4 - 11 July - NAIDOC Week
- 11 July - World Population Day
- 24 July - Stress Down Day
- 30 July - International Day of Friendship
- 7 August - Aged Care Employee Day
- 27 August - Wear it Purple Day
- 28 August - Daffodil Day
- 6 - 10 September - Women's Health Week
- 9 September - R U OK Day
- 10 September - World Suicide Prevention Day
- 10 September - Lifeline’s Out of the Shadows
- October - Breast Cancer Awareness Month
- October - Mental Health Month
- 10 October - World Mental Health Day
- 11 October - National Coming Out Day
- November - Movember
- 13 November - World Kindness Day
- 16 November - International Day for Tolerance
- 19 November - International Men’s Day
- 25 November - White Ribbon Day
- 25 November - International Day for the Elimination of Violence against Women
- 28 November - World Compassion Day
- 5 December - International Volunteer Day