Lassy is the name of several communes in France: *

Lassy, Ille-et-Vilaine Lassy (; ; Gallo language, Gallo: ''Laczic'') is a Communes of France, commune in the Ille-et-Vilaine Departments of France, department of Brittany (administrative region), Brittany in northwestern France. Population Inhabitants of Lassy are cal ...

, in the Ille-et-Vilaine ''département'' *

Lassy, Calvados Lassy () is a former commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2017, it was merged into the new commune Terres de Druance. The former commune is part of the area known as Suisse Normande ...

, in the Calvados ''département'' *

Lassy, Val-d'Oise Lassy () is a commune in the Val-d'Oise department and Île-de-France region of France. See also *Communes of the Val-d'Oise department The following is a list of the 183 Communes of France, communes of the Val-d'Oise Departments of France, ...

, in the Val-d'Oise ''département'' People named Lassy: *

Ivar Lassy Ivar Fredrik Lassy (18 November 1889 – 4 June 1938) was a Finnish writer and anthropologist who was active in the Socialist and Communist parties. Lassy moved to the Soviet Union in 1923 and was killed during the Great Purge. Lassy was first a ...

(1889–1939), Finnish writer and anthropologist *

Timo Lassy Timo Lassy (born 1974) is a Finnish saxophonist, composer and bandleader. He is best known for Timo Lassy Band, with whom he has recorded 6 albums together. Prior to his solo career he was a member of U-Street All Stars and The Five Corners Qu ...

(b. 1974), Finnish musician *Lassy Marquez (b. 1976), Filipino comedian