Objectives: Evaluate excess weight and its associated factors in national police personnel working in the police stations of Lima. Materials and methods: Descriptive cross-sectional study. Police officers (PNP) from five police stations located in the districts of North Lima participated. The evaluation of excess weight was carried out using the body mass index (BMI). Data collection was carried out between November and December 2019. Results: A total of 800 police officers of both sexes participated with a median age of 30 years (Q1 = 26, Q2 = 47). According to the BMI, 79.9% of PNP personnel are overweight, of which 45.6% (n = 365) correspond to overweight and 34.3% (n = 274) to obesity. Excess weight occurred in a higher proportion in men, longer service time, non-commissioned officer rank, those who perform administrative work, and in those who present unhealthy lifestyles. Conclusio...