| Hassan Nooraddeen Iskandar II | |
| Sultan of land and sea, Lord of twelve thousand isles, the Sultan of the Maldives | |
| Reign: | Maldives 1935–1943 |
| Coronation: | 20 August 1938 |
| Full Name: | Hassan Nooraddenul iskandhar II |
| Predecessor: | Muhammad Shamsuddeen III |
| Successor: | Abdul Majeed Didi |
| Spouse: | Gaugey Didi |
| Issue: | Princess Sameemaa Nooraddine Prince Muhammad Nooraddine Prince Ali Nooraddine Princess Aneesa Nooraddine Princess Zareena Nooraddine Princess Fatihmath Nooraddine |
| Father: | Sultan Muhammad Mueenudhdhin Kalhu Bandaarain |
| Mother: | Zulaikhaa (dhandi kosheegey Didi) |
| Birth Date: | 27 July 1885 |
| Birth Place: | Malé |
| Death Date: | 15 April 1967 |
| Death Place: | Maandhooge (old), Male |
| Date Of Burial: | 15 April 1967 |
| Place Of Burial: | Galolhu Royal Cemetery |
Sultan Sir Hassan Nooraddeen Iskandar II, KCMG (Divehi; Dhivehi; Maldivian: ސުލްޠާން ޙަސަން ނޫރައްދީން ދެވަނަ) was Sultan of the Maldives from 1935 to 1943, a son of Sultan Muhammad Mueenudheen Kuda Bandaarain. Sultan Nooraddeen was born on 21 April 1887.
He ascended the throne of Maldives on 22 February 1935; however his coronation ceremony was not held until 20 August 1938. After eight years of rule he abdicated on 8 April 1943, and lived thereafter at his own residence until his death on 15 April 1967, six days before his 80th birthday. The Prime Minister during his reign was Muhammad Fareed Didi.
Sultan Hassan Nooraddhin II was born in 21 April 1887 in Malé. He was the son of Sultan Mueenuddhin II. His mother is Dhan'dikosheegey Zuleikha Didi.He came to the throne on 23 February 1935, and was proclaimed Sultan on 20 August 1938.
The prime minister during his reign was Muhammad Fareed Didi. WWII began during this Sultan's reign and the British were given the use of some islands in Addu Atoll and a military facility for British army, Navy, and Air Force were built on the atoll. Kelaa Island in Thiladhummathi Atoll was also used by the British. Maldives faced famine and great hardship during the period of war. Sultan Hassan Nooraddhin was awarded the K.C.M.G. by the British in 1942 for services rendered by Maldives during the war.
The poll tax was abolished during Sultan Hassan Nooraddhin's reign, instead duty was levied on certain trade items. The Maldivian Government Bodu Store started in 1942 to ensure that islanders received better prices than those they obtained from the foreign traders in Malé.
Sultan Hassan Nooraddhin abdicated on 5 April 1943. He passed away on 15 April 1967 in Malé.