The focus of this research is the common problems in speaking in English and speaking experienced by third-year students; section B, Faculty of Liberal Arts at Rajamangala University of Technology Thunyaburi. This chapter presents the problems of Thai students in speaking with English speaking foreigners. The main focus of this research was about speaking problems to find out what are the main problems but it was also necessary to provide definitions of speaking skills, as well as establish the importance of speaking skills. The problems commonly experienced with English speaking are also discussed, as well as the factors leading to listening and speaking problems. The last part of this chapter deals with studies related to English speaking problems experienced by the participants.