The proportion of people aged 60 years is growing faster than any other age group in almost every country. The nutritional status has proven to decrease with age which affects the general health as well as oral health. The Mini Nutritional Assessment (MNA) designed by B. Vellas is a clinical assessment tool for grading nutritional status. A cross-sectional study was conducted to assess the nutritional status of the institutionalized elderly population of Lucknow city. All the population from all the old age homes of Lucknow city who were more than or equal to 60 years were included in the study. Mini Nutritional Assessment-Short Form (MNA-SF) was used to record the nutritional status. The sample included 287 elderly, of which 104 (36.2%) consisted of males, and 183 (63.8%) were females. The MNA score of the study sample showed that 78% were malnourished, 22% were at risk of malnutrition. We observed a high percentage of female (54.70%) were malnourished than male (23.30%). Within the age group of 60-65, 66-70, 71-75, 76-80, >80, we observed higher percentage of malnourished elderly population 21 (7.30%), 51 (17.80%), 61 (21.30%), 36 (12.50%), 55 (19.20%) respectively. 100% of the subjects showed nutritional deficits, a high percentage of females were more malnourished than males.