The study examined the effect of semantic mapping strategy on lower primary school pupils’ reading comprehension, reading speed and reading fluency in Ekiti State. The study adopted the pretest -posttest control group quasi experimental research design. The population for the study consisted of lower primary three pupils in Ekiti State. The sample consisted of 30 (thirty) primary three pupils in two intact classes in lower primary schools selected using random sampling technique. Two local government areas were used for this study.