| 7-9 Mar | Quad Crown Black Pearl | |
| 14-15 Mar | HNECC PHN Agents of Change Conference | |
| 16 - 19 Mar | International Conference on Sustainable Cokemaking and Ironmaking | approx 175 delegates |
| 20-30 Mar | Newcastle Fringe | |
| 22-24 Mar | Sailfest |
| 7-9 Mar | Quad Crown Black Pearl | |
| 14-15 Mar | HNECC PHN Agents of Change Conference | |
| 16 - 19 Mar | International Conference on Sustainable Cokemaking and Ironmaking | approx 175 delegates |
| 20-30 Mar | Newcastle Fringe | |
| 22-24 Mar | Sailfest |
| 1-30 Apr | Newcastle Food Month | |
| 4-6 Apr | Newcastle Writers Festival | |
| 5-6 Apr | Selected Topics in Gastroenterology Conference | |
| 6 Apr | Hill to Harbour | |
| 10 Apr - 4 May | SIX the Musical | |
| 19 Apr | Newcastle Marathon |
| 7-8 May | Parks and Leisure NSW Conference | approx 250 delegates |
| 21-22 May | Hunter New Energy Symposium 2025 | approx 220 delegates |
| 1-8 June | Surfest | |
| 8 June | Coastal Ascent | |
| 7 Jun- 5 July | Newcastle Comedy Festival | |
| 18-20 June | Airport Round Table series | |
| 22 June | Newcastle Chilli Festival | |
| 27-29 June | 2025 Bowls NSW Open Grade 2 State Pennant Finals | |
| 28 June - 27 July | Newcastle Comedy Festival 2025 | |
| 30 June - 5 July | Annual Conference of the Institute of Australian Geographer Conference | approx 350 delegates |
| 2-3 Aug | NRLW Magic Round | |
| 14-16 Aug | Childbirth and Parenting Educators National Conference |
| 26 Sept - 5 Oct | New Annual | |
| 26 Sept - 11 Oct | Hockey Australia Men's Masters Championships |
| 1-5 Oct | Australian Rugby Shield | |
| 28-30 Oct | National Economic Development Conference |
| 6-8 Nov | CAPEA Conference |