This thesis entitled Assertive communication and interpersonal relationships of registered users in the Regional Office of Attention to People with Disabilities, Trujillo, 2022, aims to analyze the influence of assertive communication in the interpersonal relationships of users with disabilities of this Office. For this reason, a sample of 70 registered users was taken, due to which most of them are female, between the ages of 20 and 39 years old. The methods used in this research were analytical-synthetic, inductive-deductive and statistical, likewise, the techniques used were the interview and the survey, since they allowed collecting quantitative and qualitative information in order to develop the thesis with a correct analysis. In addition, the r instruments used are the interview guide and record and the survey questionnaire, reaching the data on the indicators and variables identif...