1964–65 South-West Indian Ocean cyclone season

The 1964–65 South-West Indian Ocean cyclone season was an active cyclone season. Although it was not the most active South-West Indian Ocean cyclone season, it had the most named storms, reaching the letter R.

Tropical Disturbance Arlette
Arlette existed from December 4 to December 8.

Moderate Tropical Storm Bessie
Bessie existed from December 7 to December 11.

Moderate Tropical Storm Connie
Connie existed from December 17 to December 21.

Tropical Disturbance Doreen
Doreen existed from December 23 to December 25.

Moderate Tropical Storm Edna
Edna existed from December 22 to December 27.

Tropical Cyclone Freda
Freda existed from January 5 to January 10. On January 7, Severe Tropical Storm Freda passed between Rodrigues and Mauritius, generating wind gusts of 160 km/h on Rodrigues.

Moderate Tropical Storm Ginette
Ginette existed from January 6 to January 7.

Tropical Disturbance Hazel
Hazel existed on January 15.

Moderate Tropical Storm Iris
Iris existed from January 17 to January 28.

Moderate Tropical Storm Judy
Judy existed from February 6 to February 9.

Moderate Tropical Storm Kathleen
Kathleen existed from February 10 to February 20. Kathleen passed southeast of Rodrigues on February 16, generating high waves that reached 3.5 m along the island's southern coast.

Moderate Tropical Storm Lesley
Lesley existed from February 20 to February 25.

Tropical Disturbance Maureen
Maureen existed on February 22.

Tropical Disturbance Nancy
Nancy existed on February 23.

Tropical Cyclone Gay-Olive-Peggy
Olive existed from February 24 to March 10. On March 4, Olive passed south of Rodrigues as a tropical depression. It produced high seas and scattered thunderstorms as far west as Réunion. Later, it reintensified and was renamed Peggy.

Moderate Tropical Storm Rose
Rose existed from April 27 to May 6. On May 3, Rose passed west of Réunion, producing wind gusts of 65 km/h, along with heavy rainfall reaching 635 mm at Plaine des Palmistes. The rains caused a landslide along the Rivière des Remparts.