Floyd, 61, will be playing in his first U.S. Open since 1995, when he tied for 36th. It was the last time the championship was conducted at Shinnecock.
In winning the 1986 Open, Floyd finished with a score of 1-under-par 279, two strokes ahead of Chip Beck and Lanny Wadkins. He shot a 4-under-par 66 on the final day, making a decisive birdie at the 16th hole to take the lead and have an under-par total (-1) for the first time during the championship.
In all, Floyd has played in 30 U.S. Opens dating back to his first, in 1964, at Congressional Country Club.
Floyd will be one of about 75 golfers who will be fully exempt through various criteria for next years Championship. The championship will be played June 17-20. The special exemption was offered by the executive committee of the United States Golf Association.