This chapter introduces the concept of the research interview and discusses when interviews are an appropriate data collection tool. The chapter then examines the different types of interview that can be used, such as the structured interview, the semi structured interview, the unstructured interview, the narrative interview, the phenomenological interview and the focus group interview. The advantages and disadvantages of undertaking interviews are examined, and some of the issues of interview design and administration are discussed. Tools such as photo-elicitation are introduced, and the concept of the key informant interview is introduced.