Internet addiction is regarded to be as a psychological issue with potential sociological effects. Considering this reality in mind, the purpose of this research is to investigate the existence of internet addiction among pre-service ICT teachers. The study also aimed at examining relationships among academic procrastination, general procrastination and internet addiction. Internet Addiction Test (IAT), General or Life Routine Procrastination Scale (GP) and Academic Procrastination (AP) Scale were used as data gathering tools. Adopting survey model, 194 pre service ICT teachers, studying at one of the public universities in Turkey, participated to the study. The results indicated that (1) internet addiction existed among pre-service ICT teachers; (2) there were significant relationships among the variables of academic procrastination, general procrastination and internet addiction, and finally (3) general procrastination was found to be a better predictor than academic procrastination in predicting internet addiction. The findings of the study were discussed in the lights of the literature on internet addiction, general procrastination and academic procrastination.