This chapter introduces qualitative research and emphasizes its importance in understanding the depth, complexity, and context of human and societal experiences. The main goal is to give scholars a solid theoretical and methodological framework for rigorous qualitative research, addressing its limitations and potential. Interpretive and constructivist qualitative research emphasizes reality’s subjective and social construction. Instead of numerical precision, it seeks rich, contextual insights to address “why” and “how” issues. The chapter discusses ethnography, grounded theory, phenomenology, and narrative analysis, each with distinct techniques for studying human behavior, social processes, and cultural dynamics. This chapter examines ontology, epistemology, and axiology, which influence qualitative research’s framework and goals. Data-gathering methods, including interviews, focus groups, and observations, are explained and used to get honest participant opinions. Methodological integrity involves reducing researcher bias, ensuring rigor, and improving dependability and validity. The chapter shows how qualitative research may finesse complicated events and improve academic and professional knowledge via theoretical and applied examples. Qualitative research is essential for solving transdisciplinary problems, encouraging creative inquiry, and expanding knowledge across domains.