Usability testing is a method to evaluate a product. One way to measure usability is by using questionnaires. A questionnaire consists of a set of questions/statements designed to collect information from the respondent about usability, user satisfaction, knowledge, attitudes, opinions, behaviors, facts, and other information.  This thesis on Usability questionnaire mainly focuses on different types of usability questionnaires, their reliability and what they are supposed to measure. It gives an overall view of the usability questionnaire and discusses three research questions in detailed. In this thesis Kitchenham’s Systematic review is followed in the process of extraction of relevant literature on the topic.  Databases like ACM, Inspec are used to make Search queries on the topic and validation on the literature is performed using Cohen’s kappa value. Finally, data is synthesized and extracted from the databases.