This study was aimed as a study on comparative analysis of tomato production and marketing in Karnataka state of India and Kano state of Nigeria, with specific objectives of finding and comparing the profitability of tomato production in the two study areas. A total of 120 tomato growers (60 growers from each study area) were sampled through application of appropriate statistical procedures with well-structured questionnaires. Farm budgeting and cost concept techniques as used in India were used to analyze the primary data. Secondary data were collected through thorough investigation from previously published documents and text books, bulletins and Agricultural Department Reports of the respective study areas. The study reveals an average Net Income generated for tomato production in the study area of India as Rs.159547.02/ha which is lower than that obtained in Nigeria Rs. 171729.95/ha. A sample average Benefit Cost Ratio (BCR) for the different farm groups in the study areas was revealed as; 1:3.5 in India and 1:3.6 in Nigeria. The study indicated that, tomato production is highly profitable in both study areas of India and Nigeria.