List of 1977 Seattle Mariners draft picks
The following is a list of 1977 Seattle Mariners draft picks. The list includes the June regular draft, the June secondary draft, and the January regular draft, and January secondary draft. In all the drafts, the Mariners selected 17 pitchers, 13 outfielders, 4 catchers, 4 shortstops, 3 first baseman, 2 third basemen, 1 second baseman, 1 middle infielder for a combined total of 45 players in all drafts. Six selections by the Seattle Mariners in 1977 went on to play in Major League Baseball.