This chapter delves into the diverse qualitative data collection methods available for dissertation research, providing a comprehensive guide for social sciences and humanities researchers. The chapter begins by outlining the background of qualitative research, emphasizing its interpretive and naturalistic approach. Key qualitative data collection methods discussed include interviews, focus groups, participant observation, and document analysis. Each method is examined in detail, with discussions on its strengths, limitations, and practical considerations for implementation. The chapter also addresses ethical issues inherent in qualitative research, such as obtaining informed consent and ensuring confidentiality. Real-world examples and case studies illustrate how these methods can be effectively applied to gather rich, in-depth data that can contribute to their research. The chapter serves as an essential resource for students and emerging scholars seeking to enhance qualitative research skills and design robust, ethically sound dissertation research.