The study assessed the impact of ICT investment on tourism export in Tanzania for the period of 1995 to 2010. The study used time series secondary data whereas OLS model was subjected to STATA to investigate the causal linkage relationship between ICT investment and tourism performances for the stipulated time dimension. Findings revealed the presence of positive relationship between ICT investment and tourism exports. Furthermore, the study found that inflation and investment had a negative relationship with tourism export. The study therefore, has called upon the government to control the inflation rate as it affect the exchange rate negatively Furthermore ICT use should be encouraged throughout tourism sector to enhance its growth. The study additionally identified the government role in particular, that should spend in worthwhile tourism investment