The name Hanna or Hannah has been used for twelve tropical cyclones worldwide: five in the Atlantic Ocean, seven in the Western Pacific Ocean (five regionally in the Philippines by PAGASA) and one in the Australian Region. The latter spelling has also been used for one extratropical European windstorm.

In the Atlantic:

• Hurricane Hannah (1959) – Category 3 hurricane, was only a threat to shipping.
• Tropical Storm Hanna (2002) – struck the Gulf Coast of the United States.
• Hurricane Hanna (2008) – Category 1 hurricane, caused over 500 deaths in Haiti before traveling up the U.S. Eastern Seaboard.
• Tropical Storm Hanna (2014) – formed from the remnants of Tropical Storm Trudy from the Eastern Pacific, dissipated, then reorganized, and made landfall in Nicaragua.
• Hurricane Hanna (2020) – Category 1 hurricane, impacted South Texas and Northeastern Mexico.

In the Western Pacific:

• Typhoon Hannah (1947) – remained over the open ocean.
• Tropical Depression Hannah (1997) (01W, Atring) – dissipated just east of Mindanao, Philippines.
• Tropical Storm Lekima (2007) (T0714, 16W, Hanna) – a deadly tropical storm that affected both Philippines and Vietnam.
• Tropical Storm Tokage (2011) (T1107, 09W, Hanna) – a weaker storm that stayed out of the sea.
• Typhoon Soudelor (2015) (T1513, 13W, Hanna) – Category 5 super typhoon, had severe impacts in the Northern Mariana Islands, Taiwan, and eastern China.
• Typhoon Lekima (2019) (T1910, 10W, Hanna) – Category 4 super typhoon, caused destruction to East China.
• Typhoon Haikui (2023) (T2311, 10W, Hanna) – a Category 3 typhoon that impact Taiwan.

In the Australian Region:

• Cyclone Hannah (1972) – a Category 3 severe tropical cyclone that impact Papua New Guinea.

In Europe:

• Storm Hannah (2019) – affected Ireland and the United Kingdom, causing minor disruptions.