Abstract Background The COVID-19 pandemic has exposed the vulnerability of older people living in long-term care facilities (LTCF), highlighting the urgent need for research on the quality of care for this group of the population. There is no universal definition for quality of care in LTCF, and yet, multiple tools and indicators have been developed to measure it. In this rapid scoping review, we aim to provide a comprehensive overview of the current knowledge on quality of care concepts and indicators for older people in LTCF in OECD countries. Methods This review follows the World Health Organization (WHO) guide for rapid reviews and the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA-ScR) extension for scoping reviews, including protocol registration (https://doi.org/10.17605/OSF.IO/34B2S). The electronic bibliographic databases MEDLINE (PubMed), EMBASE, and CINAHL were searched in September 2023 for studies published between 2013 and 2023 for quality indicators in LTCF. Experts in quality of care in LTCF were contacted and consulted to retrieve sources of grey literature. Information on the definition or framework of quality of care, quality of care dimensions, measurement instruments, context and purpose of the measurement will be extracted. Results Of the 8,516 identified records, 6,449 were screened by title and abstract after removing duplicates. A total of 469 publications will be screened in full-text. Experts recommended 40 websites to be screened for quality indicators. The PRISMA flowchart diagram will be provided to describe the selection process. Conclusions This review aims to improve the quality of care for older people living in LTCF. Our results will identify which concepts and dimensions of care are currently being measured in OECD countries, whether they are backed by any definition and scientific framework of quality of care for older residents of LTCF, and whether there is consideration of closing gaps in quality measurement. Key messages • Quality of care is an understudied field in the context of long-term care facilities for older people. • In order to further improve quality in long-term care for older people, it is necessary to systematically review the current state of knowledge on quality concepts and indicators.