Walter Espec (died 1153) was a prominent military and judicial figure of the reign of Henry I of England.
[2] In the years up to 1120, Espec controlled northern England, alongside Eustace fitz John.
[4] As an old man, when High Sheriff of Yorkshire, he fought against the Scots at the Battle of the Standard in 1138.
[7] He then donated 1,000 acres (4 km2) to Rievaulx, where building started in 1132, and is largely credited for the arrival of the Cistercians in England.
[8] By 1135 he also founded Warden Abbey[9] (Wardon) in Bedfordshire, a daughter house of Rievaulx.