League of Legends - Jungle Tier List

• Tier 1 - Dr. Mundo, Lee Sin, Olaf, Amumu, Skarner, Maokai, Trundle, Vi, Diana 
• Tier 2 - Nocturne, Nunu, Cho Gath, Jax, Jarvan, Xin Zhao, Shaco, Malphite
• Tier 3 - Elise, Tryndamere, Nautilus, Shyvana, Udyr, Fiddlesticks, Rengar, Zed, Kha Zix 
• Tier 4 - Gangplank, Hecarim, Warwick, Darius, Sejuani, Rammus, Riven, Shen, Alistar 
• Tier 5 - Volibear, Master Yi, Wukong, Cassiopeia, Malzahar, Karthus, Singed

Source: http://www.reignofgaming.net