Malnutrition and poor quality of life (QoL) in older adults are becoming a public health concern. Therefore, this review article summarised significant studies which investigated the assessment of malnutrition and QoL and its relation. A literature research on academic journals published from 2011 to 2021 was conducted by using electronic databases, which were Google Scholar, PubMed, Science Direct and SCOPUS. A total of 21 studies with 26,569 participants were identified and included in this review. The prevalence of malnutrition ranged from 1.6% to 26.5%, and poor QoL was significant amongst malnourished older adults. In conclusion, malnutrition is associated with poor QoL amongst older adults. Future studies regarding factors that influence malnutrition and its relation towards the QoL amongst older adults are needed as it will help in assisting the healthcare professions to combat these health problems.