Tisdale No. 427, Saskatchewan is a rural municipality in north eastern Saskatchewan. The precursor to this governing body was the Local Improvement District 21-M-2 or L.I.D. 21-M-2 changing on December 9, 1912 to the Rural Municipality of Eldersley No. 427. According to the Saskatchewan Gazette, on January 15, 1921, Eldersley No. 427 changed names to Tisdale no. 427.