Alexandrine Auguste of Mecklenburg-Schwerin
- Born: 24 Dec 1879, Cannes, France
- Marriage: King Christian X of Denmark on 26 Apr 1898 in Cannes, France
- Died: 28 Dec 1952, Copenhagen, Copenhagen, Sjælland, Denmark at age 73
Alexandrine Auguste of Mecklenburg-Schwerin (24 December 1879 \endash 28 December 1952) was the queen consort of King Christian X of Denmark.
She was born a Duchess of Mecklenburg-Schwerin, in the city of Schwerin. Her father was Frederick Francis III, Grand Duke of Mecklenburg-Schwerin; her mother was Grand Duchess Anastasia Mikhailovna of Russia, a granddaughter of Emperor Nicholas I of Russia.
Princess Alexandrine married Prince Christian of Denmark on 26 April 1898, in Cannes, France, when she was 18 years old. They had two children:
* Prince Frederick (1899-1972), later King Frederick IX of Denmark
* Prince Knud (1900-1976), later Knud, Hereditary Prince of Denmark
Queen Alexandrine was the 1,170th Dame of the Royal Order of Queen Maria Luisa on 3 February 1929.
She died in Copenhagen as Dowager Queen of Denmark in 1952 and is interred next to her husband in Roskilde Cathedral.
The only brother of Queen Alexandrine was Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin, while her only sister was Duchess Cecilie of Mecklenburg-Schwerin, wife of German Crown Prince William, eldest son of German Emperor William II.
Alexandrine married King Christian X of Denmark, son of King Frederik VIII of Denmark and Lovisa of Sweden, on 26 Apr 1898 in Cannes, France. (King Christian X of Denmark was born on 26 Sep 1870 in Charlottenlund Palace, Charlottenlund, Copenhagen, Denmark and died on 20 Apr 1947 in Amalienborg Palace, Copenhagen, Denmark.)