FA chair Debbie Hewitt, MBE, paid a glowing tribute to Southgate following his eighty-year reign as England boss.
She said: "On behalf of us all at the Football Association, I congratulate Sir Gareth on this richly-deserved honour.
"Throughout his career in the game as a player, coach and change-maker, he has embodied the best of English football.
"One of our greatest ever managers, Sir Gareth's remarkable coaching achievements across four major tournaments include two successive Euro finals, equalling our best men's World Cup performance away from home and being ranked in the world's top five for more than five years.
"Off the field, he brought our fans closer than ever to the team, stood up for what he believed in and inspired players to share his pride in representingEngland. It has been a privilege to know the man and the manager. All of us who have experienced his thoughtfulness, dedication and leadership are delighted with this wonderful news."
Sir Gareth showed his leadership skills as a young player and was appointed captain of Crystal Palace at the age of 22.
He went on to play for Aston Villa and Middlesbrough, lifting the League Cup for both clubs, and was considered a composed centre-back having spent most of his early career in midfield.
Sir Gareth won 57 caps for England between 1995 and 2004 and played at three major tournaments - Euro 1996, 1998 World Cup and Euro 2000.
Remembered for missing the decisive spot kick in the Euro 1996 semi-final penalty shootout defeat to Germany, Southgate counted on his strong character to bo...