Truby is a surname. Notable people with this surname include:

Chris Truby (born 1973), third baseman who played some of his career in Major League Baseball Harry Truby (1870–1953), former professional baseball player who was an infielder in the Major Leagues from 1895 to 1896 Jason Truby (born 1973), American musician John Truby (born 1952), screenwriter, director and screenwriting teacher Jamie Truby (born 2008) Youth Player notably for Littlehampton Town FC See also Truby King CMG (1858–1938), generally known as Truby King, was a New Zealand health reformer and Director of Child Welfare