Walter Leslie may refer to:
Walter Leslie (crusader) (?–1382), 14th-century Scottish nobleman and crusader Walter Leslie (field marshal) (1607–1667), Holy Roman Empire Field Marshal Walter Leslie (Indian Army officer) (1876–1947), Indian Army officer
See also Walter Lesly, a traditional English-language folk ballad composed before 1800 Walter Leslie AuCoin (born 1942), American politician Walter Leslie Brine (aka Salty Brine; 1918–2004), American broadcaster Walter Leslie Brown (1910–1944), Canadian military chaplain Walter Leslie Duncan (1883–1947), Australian politician and trade unionist Walter Leslie Farrer (1900–1984), British solicitor Walter Leslie Runciman, 2nd Viscount Runciman of Doxford (1900–1989), member of the Runcimans, a Newcastle ship-owning and political family Walter Leslie Wilmshurst (1867–1939), English author and Freemason