Lambton Le Breton Mount (12 March 1836[4] – 12 June 1931[5]) was a Canadian-born Australian businessman.

[7] In 1866, with his brother Frank and the poet Adam Lindsay Gordon, Mount migrated to Western Australia, where they were business partners in an unsuccessful sheep farm at Balingup.

[8][9][10][11][12] The Mounts were also early settlers in the north west Western Australia and held a pastoral lease on the De Grey River, between 1866 and 1868.

[13] The sport grew quickly and within two years, the Victorian Lacrosse Association had 120 members.

He became president of the Victorian Chamber of Manufacturers and was on the Commission for the Centennial International Exhibition in 1888.