| Basin: | SPac |
| Year: | 1975 |
| Track: | 1974-1975 South Pacific cyclone season summary.jpg |
| First Storm Formed: | November 20, 1974 |
| Last Storm Dissipated: | April 6, 1975 |
| Strongest Storm Name: | Val and Alison |
| Strongest Storm Pressure: | 945 |
| Strongest Storm Winds: | 85 |
| Average Wind Speed: | 10 |
| Total Disturbances: | 6 |
| Total Hurricanes: | 5 |
| Total Intense: | 3 |
| Five Seasons: | 1972–73, 1973–74, 1974–75, 1975–76, 1976–77 |
| South Indian Season: | 1974–75 South-West Indian Ocean cyclone season |
| Australian Season: | 1974–75 Australian region cyclone season |
The 1974–75 South Pacific cyclone season ran year-round from July 1 to June 30. Tropical cyclone activity in the Southern Hemisphere reaches its peak from mid-February to early March.
| Basin: | Aus |
| Track: | 04P 1974 track.png |
| Formed: | December 6 |
| Dissipated: | December 9 |
| 1-Min Winds: | 35 |
This cyclone existed from December 6 to December 9.
| Basin: | SPac |
| Track: | 05P 1974 track.png |
| Formed: | December 11 |
| Dissipated: | December 15 |
| 1-Min Winds: | 45 |
This cyclone existed from December 11 to December 15.
| Basin: | SPac |
| Track: | 06P 1974 track.png |
| Formed: | December 18 |
| Dissipated: | December 24 |
| 1-Min Winds: | 50 |
This cyclone existed from December 18 to December 24.
| Basin: | SPac |
| Track: | Flora 1975 track.png |
| Formed: | January 12 |
| Dissipated: | January 22 |
| 10-Min Winds: | 55 |
| 1-Min Winds: | 50 |
| Pressure: | 980 |
Tropical Cyclone Flora existed from January 12 to January 22.
| Basin: | Aus |
| Track: | Gloria 1975 track.png |
| Formed: | January 19 |
| Dissipated: | January 23 |
| 1-Min Winds: | 55 |
| 10-Min Winds: | 55 |
| Pressure: | 976 |
Tropical Cyclone Gloria existed from January 14 to January 23.
| Basin: | Aus |
| Track: | 15P 1975 track.png |
| Formed: | January 19 |
| Dissipated: | January 21 |
| 1-Min Winds: | 35 |
This cyclone existed from January 19 to January 21.
| Basin: | SPac |
| Track: | Val 1975 track.png |
| Formed: | January 24 |
| Dissipated: | February 5 |
| 1-Min Winds: | 120 |
| 10-Min Winds: | 85 |
| Pressure: | 945 |
This cyclone existed from January 24 to February 5.
| Basin: | SPac |
| Track: | 18P 1975 track.png |
| Formed: | January 26 |
| Dissipated: | January 28 |
| 1-Min Winds: | 35 |
This cyclone existed from January 26 to January 28.
| Basin: | SPac |
| Formed: | March 4 |
| Dissipated: | March 13 |
| 10-Min Winds: | 85 |
| 1-Min Winds: | 120 |
| Pressure: | 945 |
| Track: | Alison 1975 track.png |
This cyclone existed from March 4 to March 13.
| Basin: | SPac |
| Track: | Betty SPac 1975 track.png |
| Formed: | March 30 |
| Dissipated: | April 12 |
| 10-Min Winds: | 70 |
| 1-Min Winds: | 85 |
| Pressure: | 965 |
This cyclone existed from March 30 to April 12.
The first tropical disturbance of the season was first noted on November 19, while it was located within the Australian region about 500round=5NaNround=5 to the north of Brisbane, Australia.[1] [2] Over the next couple of days, the system moved north-westwards into the South Pacific basin towards New Caledonia, before it recurved south-eastwards and was last noted as it moved back into the Australian region during November 24.[1] [3] A windspeed of 75round=5NaNround=5 was recorded in northern New Zealand and associated with this system.[1]