This mixed-methods study aimed to explore the expected qualifications of English teachers in the South of Thailand. The Delphi technique and exploratory sequential design were employed with three phrases of study: a qualitative and two quantitative phases. For the qualitative phase, 49 experts who were from professional organization, educators and school teachers responded to an open-ended questionnaire and semi-structured interview asking their opinions toward the expected qualifications of English teachers in the South of Thailand in the next five to ten years. The data from the open-ended questionnaire and interview were analyzed by using content analysis. 216 qualifications emerged from the qualitative data were developed into a rating scale questionnaire that was sent back to the same experts to confirm each qualification. The finding revealed that 197 qualifications were kept and 7 were deleted. The 12 qualifications that needed reassessment were sent back to the same experts. The result indicated that 6 of them were kept. The final 203 qualifications were proposed.