Harold Clifton Lanier is an American former infielder, coach and manager in Major League Baseball (MLB). Known as a brainy, defense-first player, he won National League Manager of the Year as a rookie manager for leading the Astros to the National League West division championship in 1986. From November 2014 through the end of his 2018 contract, Lanier served as the first manager of the Ottawa Champions of the independent Can-Am League. From 1964 through 1973, Lanier played for the San Francisco Giants (1964–71) and New York Yankees (1972–73). He is the son of Max Lanier, a former MLB All-Star pitcher.