Curran made his debut for the national team in 2009 and he played in the 2010 World Cup. He played for the Canada national field hockey team at the 2015 Pan American Games and won a silver medal. In 2016, he was named to Canada's Olympic team. He was named as a reserve for the 2018 World Cup. In June 2019, he was selected in the Canada squad for the 2019 Pan American Games. They won the silver medal as they lost 5–2 to Argentina in the final.