Michael W. Kalaher (June 22, 1870 – February 12, 1957) was a member of the Wisconsin State Assembly.

M. W. Kalaher was born on June 22, 1870, in Walworth County, Wisconsin, and attended high school in Lake Geneva.

[1] He graduated from the University of Wisconsin, and became a high school teacher and principal in Manitowoc.

[2] Kalaher was elected to the Assembly for Milwaukee County's Fifth District in 1908.

[4] M. W. Kalaher died at Deaconess Hospital in Milwaukee on February 12, 1957.