The 2011 IRB Junior World Championship was the fourth annual international rugby union competition for Under 20 national teams, this competition replaced the now defunct under 19 and under 21 world championships. The event was organised by rugby's governing body, the International Rugby Board (IRB). The winners were New Zealand, who won all the competitions held since the inaugural year in 2008.
Four stadia will be used for this world cup. There will be four double header match days at the three smaller venues with the final to be played in Stadio Euganeo.
All times are local ().