Internal communication is a factor that influences interpersonal relationships in an entity. This research aims to analyze how internal communication influences the interpersonal relationships of public cleaning collaborators of Municipalidad Distrital El Porvenir, having as a study population 45 collaborators who belong to the already mentioned city headquarters. The present study used methods such as: inductive - deductive, analytical - synthetic and statistical, in the same way the techniques that were used are the interview and the survey, which has led to the establishment of relevant information from the points of view of the population. The instruments that have been helpful in data collection are the interview guide, interview record and questionnaire, being elementary to understand the dynamics of the variables and develop the present investigation. With the investigation carrie...