Jovanovski competed for Canada's under-20 team at the 1995 World Junior Championships, held in Alberta. Scoring two goals in seven games, he helped Canada go undefeated to win gold. Following his NHL rookie season, he was named as a reserve to the Canadian men's team for the 1996 World Cup. The youngest player on the roster, he played in one exhibition game against Russia, a 4–4 tie, but did not appear in any main tournament games as Canada lost in the final to the United States.