This study aims at investigating the impact of utilizing semantic maps strategy on the development of English Language vocabulary learning for Saudi Secondary Schools' Students. The study adopted a descriptive, analytical and quasi-experimental method. The sample of the study consisted of (20) male teachers in Riyadh city in the first semester of the academic year 2017 - 2018. The study employed a questionnaire as a tool to collect data. The study used (SPSS) program to analyze the data. The findings indicated that semantic mapping technique is more effective than the traditional technique in vocabulary learning. All of the teachers expressed a positive point of views towards the use of semantic mapping. Based on the results of this study the study offers the following recommendations: Curricula designers can integrate various semantic maps in the textbook which will facilitate better comprehension of students. Teachers should encourage using pair work and group work as part of the semantic maps strategy to provide opportunities for meaningful interaction and facilitate vocabulary learning.