Abstract: OBJECTIVES: To compare distressed behavior in Veterans with Alzheimer disease and related dementias (ADRD) residing in Veterans Affairs (VA) Community Living Centers (CLCs) during the COVID-19 pandemic to previous years. DESIGN: Retrospective cohort study. SETTING AND PARTICIPANTS: Veterans with ADRD and without baseline distressed behavior residing in CLCs in March 2020 (Early-COVID) and March 2018 or March 2019 (Pre-COVID). METHODS: We measured distressed behavior with the Distressed Behaviors in Dementia Indicator. Using a Cox regression, we compared the 180-day hazard of distressed behavior in the Early-COVID group to that in the Pre-COVID group. RESULTS: Of 4383 sampled Veterans, 1190 (27%) had recently taken an antipsychotic medication. In the Pre-COVID (n = 2795) and Early-COVID groups (n = 1588), new distressed behavior occurred in 629 (22.5%) and 313 (19.7%) Veterans, respectively. The adjusted hazard ratio (HR) of new distressed behavior was 0.82 (95% CI 0.71-0.95) for Early-COVID compared with Pre-COVID. Antipsychotic medication was associated with new distressed behavior (HR 1.61, 95% CI 1.40-1.86). CONCLUSIONS AND IMPLICATIONS: New distressed behavior decreased during the first 6 months of the COVID-19 pandemic compared with the previous 2 years. The observed association between antipsychotic medication use and distressed behavior may reflect clinical recognition and treatment of a predisposition toward distressed behavior. Recorded changes in distressed behavior in Veterans with dementia residing in CLCs opposed the trend of decreased well-being in residents of non-VA nursing homes, but changes in resident assessment fidelity during the Early-COVID period could have confounded the study.