Walter Harley Trueman (May 23, 1870 – February 24, 1951) was a lawyer and a judge in Winnipeg, Manitoba. He was born in Saint John, New Brunswick and was educated at St-John Grammar School (now Saint John High School). He took his law degree at Dalhousie University in Halifax, Nova Scotia. He was one of the editors of the University Gazette and class Valedictorian. He articled with the firm of Hannington and Wilson of Saint John before moving into private practice. In 1908, he moved to Winnipeg where he continued to practice law. In 1916, he was made King's Counsel.