This present study was aimed to find out wheter there was a correlation between vocabulary mastery and speaking ability of the third year students of SMP Negeri 1 Kunto Darussalam. The population this research was the third year students of SMP Negeri 1 Kunto Darussalam. The sample was chosen by using cluster random sampling and there were IX 2 and IX 4 as the samples. Vocabulary test was used …