This research was carried out to find out how far the achievement of speaking English lesson by using cartoon and a significant difference of the students speaking ability between the students taught by using cartoon media and those taught without using cartoon media. The research was conducted at Islamic Elementary School (Madrasah Ibtidaiyah) Lancar, Wonosobo, Central Java, Indonesia. The objects of the research were the fifth year students. This is quantitative research. Technique of sampling in this research used classified random sampling. The result of the research is the score of the post-test from the experiment group is higher (7,68) than the score of the post-test from control group (6,95). Therefore, the writer might conclude that using of cartoon media proved better result in speaking skill than students who are taught without using cartoon media. It means that there is significant difference of the students speaking skill between those using cartoon media and those who do not use cartoon in teaching speaking. Also, there is a significant contribution of using cartoon in teaching speaking. Keywords: Effectiveness, Speaking;  Cartoon Media; Teaching Speaking through Cartoon for Elementary School Students