Walter Longmire is a fictional character created by American author Craig Johnson (b. 1961).
Longmire is the title character of Walt Longmire Mysteries, a series of western mystery novels first published in 2004. The novels were adapted into Longmire, a crime drama television series which premiered in 2012 and was developed by John Coveny and Hunt Baldwin. Longmire is portrayed by Australian actor Robert Taylor.