Coady has represented England from under-16 to under-20 youth levels. He has been capped 17 times for the England national under-17 football team. He played and captained the England team at the 2010 UEFA European Under-17 Championship in Liechtenstein where he and his England colleagues won the tournament, and became the first England team to win an international tournament in 17 years. He was then part of the 2012 UEFA European Under-19 Championship in Estonia in which England got as far as the semi-finals where they were knocked out by Greece. He was named captain of the England under-20 team by manager Peter Taylor for the 2013 FIFA U-20 World Cup. He made his debut for the team on 16 June, in a 3–0 win in a warm-up game against Uruguay. On 23 June, he scored in the opening group-stage game against Iraq.