Michael George Mulhall (1836–1900) was an Irish author, statistician, economist and newspaper editor.

He co-authored the first English-language book published in that continent, The Handbook of the River Plate, a work that went to six editions, was widely consulted by immigrants and is now a historical sourcebook.

He was educated for the priesthood at the Irish College, Rome, but not having the vocation emigrated to Argentina to work with his brother Edward Thomas Mulhall, then a large sheep farmer in that country.

[1] (A third brother Francis Healey Mulhall also emigrated to Argentina and edited the ‘’Southern Cross’’, a newspaper of the Irish-Argentine community.

[3] In 1878 (another source says 1868), Mulhall married Marion McMurrough Murphy, herself an author (Between the Amazon and the Andes; Explorers in the New World) who cooperated with him closely on his statistical work.