 Lemmouchia is a former Algerian youth international having played briefly for the under-20 team during the qualification process for the 2001 African Youth Championship.In February 2008, Lemmouchia was called up to the senior team for the first time for a training camp held in Paris.and would go on to make his debut on 31 May 2008 in a 2010 FIFA World Cup qualifying match against Senegal.