This chapter discusses the most important aspects of designing, administrating, and analyzing surveys in clinical research. It highlights the different topics of the main stages of survey research. It reviews the design and planning phase, especially focusing on the definition of the survey research question. It discusses the process of instrument design, from planning and development to pre-test and validation, types of sampling, and methods for survey administration. It also reviews the importance of the data analysis plan and report. Furthermore, it refers to potential problems and pitfalls, as well as legal and ethical issues encountered when conducting surveys, and strategies to address them. Finally, it includes a case study and explores different questions to be addressed when using surveys in clinical research.